diff --git a/components/lib/menubar/BaseMenubar.vue b/components/lib/menubar/BaseMenubar.vue
new file mode 100644
index 000000000..59ef278e6
--- /dev/null
+++ b/components/lib/menubar/BaseMenubar.vue
@@ -0,0 +1,158 @@
+<script>
+import BaseComponent from 'primevue/basecomponent';
+import { useStyle } from 'primevue/usestyle';
+
+const styles = `
+.p-menubar {
+    display: flex;
+    align-items: center;
+}
+
+.p-menubar ul {
+    margin: 0;
+    padding: 0;
+    list-style: none;
+}
+
+.p-menubar .p-menuitem-link {
+    cursor: pointer;
+    display: flex;
+    align-items: center;
+    text-decoration: none;
+    overflow: hidden;
+    position: relative;
+}
+
+.p-menubar .p-menuitem-text {
+    line-height: 1;
+}
+
+.p-menubar .p-menuitem {
+    position: relative;
+}
+
+.p-menubar-root-list {
+    display: flex;
+    align-items: center;
+    flex-wrap: wrap;
+}
+
+.p-menubar-root-list > li ul {
+    display: none;
+    z-index: 1;
+}
+
+.p-menubar-root-list > .p-menuitem-active > .p-submenu-list {
+    display: block;
+}
+
+.p-menubar .p-submenu-list {
+    display: none;
+    position: absolute;
+    z-index: 1;
+}
+
+.p-menubar .p-submenu-list > .p-menuitem-active > .p-submenu-list {
+    display: block;
+    left: 100%;
+    top: 0;
+}
+
+.p-menubar .p-submenu-list .p-menuitem .p-menuitem-content .p-menuitem-link .p-submenu-icon {
+    margin-left: auto;
+}
+
+.p-menubar .p-menubar-end {
+    margin-left: auto;
+    align-self: center;
+}
+
+.p-menubar-button {
+    display: none;
+    cursor: pointer;
+    align-items: center;
+    justify-content: center;
+    text-decoration: none;
+}
+`;
+
+const inlineStyles = {
+    submenu: ({ context, processedItem }) => ({ display: context.isItemActive(processedItem) ? 'block' : 'none' })
+};
+
+const classes = {
+    root: ({ instance }) => [
+        'p-menubar p-component',
+        {
+            'p-menubar-mobile-active': instance.mobileActive
+        }
+    ],
+    start: 'p-menubar-start',
+    button: 'p-menubar-button',
+    menu: 'p-menubar-root-list',
+    menuitem: ({ context, processedItem }) => [
+        'p-menuitem',
+        context.getItemProp(processedItem, 'class'),
+        {
+            'p-menuitem-active p-highlight': context.isItemActive(processedItem),
+            'p-focus': context.isItemFocused(processedItem),
+            'p-disabled': context.isItemDisabled(processedItem)
+        }
+    ],
+    content: 'p-menuitem-content',
+    action: ({ context, isActive, isExactActive }) => [
+        'p-menuitem-link',
+        {
+            'router-link-active': isActive,
+            'router-link-active-exact': context.exact && isExactActive
+        }
+    ],
+    icon: ({ context, processedItem }) => ['p-menuitem-icon', context.getItemProp(processedItem, 'icon')],
+    label: 'p-menuitem-text',
+    submenuIcon: 'p-submenu-icon',
+    submenu: 'p-submenu-list',
+    separator: ({ context, processedItem }) => ['p-menuitem-separator', context.getItemProp(processedItem, 'class')],
+    end: 'p-menubar-end'
+};
+
+const { load: loadStyle, unload: unloadStyle } = useStyle(styles, { id: 'primevue_menubar_style', manual: true });
+
+export default {
+    name: 'BaseMenubar',
+    extends: BaseComponent,
+    props: {
+        model: {
+            type: Array,
+            default: null
+        },
+        exact: {
+            type: Boolean,
+            default: true
+        },
+        buttonProps: {
+            type: null,
+            default: null
+        },
+        'aria-labelledby': {
+            type: String,
+            default: null
+        },
+        'aria-label': {
+            type: String,
+            default: null
+        }
+    },
+    css: {
+        classes,
+        inlineStyles
+    },
+    watch: {
+        isUnstyled: {
+            immediate: true,
+            handler(newValue) {
+                !newValue && loadStyle();
+            }
+        }
+    }
+};
+</script>
diff --git a/components/lib/menubar/Menubar.d.ts b/components/lib/menubar/Menubar.d.ts
index 7f248d4a6..ccb05d868 100755
--- a/components/lib/menubar/Menubar.d.ts
+++ b/components/lib/menubar/Menubar.d.ts
@@ -59,6 +59,10 @@ export interface MenubarPassThroughOptions {
      * Uses to pass attributes to the submenu icon's DOM element.
      */
     submenuIcon?: MenubarPassThroughOptionType;
+    /**
+     * Uses to pass attributes to the submenu's DOM element.
+     */
+    submenu?: MenubarPassThroughOptionType;
     /**
      * Uses to pass attributes to the separator's DOM element.
      */
@@ -182,6 +186,11 @@ export interface MenubarProps {
      * @type {MenubarPassThroughOptions}
      */
     pt?: MenubarPassThroughOptions;
+    /**
+     * When enabled, it removes component related styles in the core.
+     * @defaultValue false
+     */
+    unstyled?: boolean;
 }
 
 /**
diff --git a/components/lib/menubar/Menubar.vue b/components/lib/menubar/Menubar.vue
index 7f8193129..0fad2bce7 100755
--- a/components/lib/menubar/Menubar.vue
+++ b/components/lib/menubar/Menubar.vue
@@ -1,6 +1,6 @@
 <template>
-    <div :ref="containerRef" :class="containerClass" v-bind="ptm('root')">
-        <div v-if="$slots.start" class="p-menubar-start" v-bind="ptm('start')">
+    <div :ref="containerRef" :class="cx('root')" v-bind="ptm('root')">
+        <div v-if="$slots.start" :class="cx('start')" v-bind="ptm('start')">
             <slot name="start"></slot>
         </div>
         <a
@@ -8,7 +8,7 @@
             ref="menubutton"
             role="button"
             tabindex="0"
-            class="p-menubar-button"
+            :class="cx('button')"
             :aria-haspopup="model.length && model.length > 0 ? true : false"
             :aria-expanded="mobileActive"
             :aria-controls="id"
@@ -24,7 +24,6 @@
         <MenubarSub
             :ref="menubarRef"
             :id="id"
-            class="p-menubar-root-list"
             role="menubar"
             :items="processedItems"
             :templates="$slots"
@@ -46,44 +45,22 @@
             @item-click="onItemClick"
             @item-mouseenter="onItemMouseEnter"
         />
-        <div v-if="$slots.end" class="p-menubar-end" v-bind="ptm('end')">
+        <div v-if="$slots.end" :class="cx('end')" v-bind="ptm('end')">
             <slot name="end"></slot>
         </div>
     </div>
 </template>
 
 <script>
-import BaseComponent from 'primevue/basecomponent';
 import BarsIcon from 'primevue/icons/bars';
 import { DomHandler, ObjectUtils, UniqueComponentId, ZIndexUtils } from 'primevue/utils';
+import BaseMenubar from './BaseMenubar.vue';
 import MenubarSub from './MenubarSub.vue';
 
 export default {
     name: 'Menubar',
-    extends: BaseComponent,
+    extends: BaseMenubar,
     emits: ['focus', 'blur'],
-    props: {
-        model: {
-            type: Array,
-            default: null
-        },
-        exact: {
-            type: Boolean,
-            default: true
-        },
-        buttonProps: {
-            type: null,
-            default: null
-        },
-        'aria-labelledby': {
-            type: String,
-            default: null
-        },
-        'aria-label': {
-            type: String,
-            default: null
-        }
-    },
     data() {
         return {
             id: this.$attrs.id,
@@ -405,7 +382,7 @@ export default {
         onEnterKey(event) {
             if (this.focusedItemInfo.index !== -1) {
                 const element = DomHandler.findSingle(this.menubar, `li[id="${`${this.focusedItemId}`}"]`);
-                const anchorElement = element && DomHandler.findSingle(element, '.p-menuitem-link');
+                const anchorElement = element && DomHandler.findSingle(element, 'a[data-pc-section="action"]');
 
                 anchorElement ? anchorElement.click() : element && element.click();
 
@@ -595,9 +572,6 @@ export default {
         }
     },
     computed: {
-        containerClass() {
-            return ['p-menubar p-component', { 'p-menubar-mobile-active': this.mobileActive }];
-        },
         processedItems() {
             return this.createProcessedItems(this.model || []);
         },
@@ -616,77 +590,3 @@ export default {
     }
 };
 </script>
-
-<style>
-.p-menubar {
-    display: flex;
-    align-items: center;
-}
-
-.p-menubar ul {
-    margin: 0;
-    padding: 0;
-    list-style: none;
-}
-
-.p-menubar .p-menuitem-link {
-    cursor: pointer;
-    display: flex;
-    align-items: center;
-    text-decoration: none;
-    overflow: hidden;
-    position: relative;
-}
-
-.p-menubar .p-menuitem-text {
-    line-height: 1;
-}
-
-.p-menubar .p-menuitem {
-    position: relative;
-}
-
-.p-menubar-root-list {
-    display: flex;
-    align-items: center;
-    flex-wrap: wrap;
-}
-
-.p-menubar-root-list > li ul {
-    display: none;
-    z-index: 1;
-}
-
-.p-menubar-root-list > .p-menuitem-active > .p-submenu-list {
-    display: block;
-}
-
-.p-menubar .p-submenu-list {
-    display: none;
-    position: absolute;
-    z-index: 1;
-}
-
-.p-menubar .p-submenu-list > .p-menuitem-active > .p-submenu-list {
-    display: block;
-    left: 100%;
-    top: 0;
-}
-
-.p-menubar .p-submenu-list .p-menuitem .p-menuitem-content .p-menuitem-link .p-submenu-icon {
-    margin-left: auto;
-}
-
-.p-menubar .p-menubar-end {
-    margin-left: auto;
-    align-self: center;
-}
-
-.p-menubar-button {
-    display: none;
-    cursor: pointer;
-    align-items: center;
-    justify-content: center;
-    text-decoration: none;
-}
-</style>
diff --git a/components/lib/menubar/MenubarSub.vue b/components/lib/menubar/MenubarSub.vue
index fbf563d7f..ae9e3cc41 100755
--- a/components/lib/menubar/MenubarSub.vue
+++ b/components/lib/menubar/MenubarSub.vue
@@ -1,11 +1,11 @@
 <template>
-    <ul v-bind="ptm('menu')">
+    <ul :class="level === 0 ? getCXOptions('menu') : getCXOptions('submenu')" v-bind="level === 0 ? ptm('menu') : ptm('submenu')">
         <template v-for="(processedItem, index) of items" :key="getItemKey(processedItem)">
             <li
                 v-if="isItemVisible(processedItem) && !getItemProp(processedItem, 'separator')"
                 :id="getItemId(processedItem)"
                 :style="getItemProp(processedItem, 'style')"
-                :class="getItemClass(processedItem)"
+                :class="getCXOptions('menuitem', { processedItem })"
                 role="menuitem"
                 :aria-label="getItemLabel(processedItem)"
                 :aria-disabled="isItemDisabled(processedItem) || undefined"
@@ -15,32 +15,26 @@
                 :aria-setsize="getAriaSetSize()"
                 :aria-posinset="getAriaPosInset(index)"
                 v-bind="getPTOptions(processedItem, 'menuitem')"
+                :data-p-highlight="isItemActive(processedItem)"
+                :data-p-focused="isItemFocused(processedItem)"
+                :data-p-disabled="isItemDisabled(processedItem)"
             >
-                <div class="p-menuitem-content" @click="onItemClick($event, processedItem)" @mouseenter="onItemMouseEnter($event, processedItem)" v-bind="getPTOptions(processedItem, 'content')">
+                <div :class="getCXOptions('content')" @click="onItemClick($event, processedItem)" @mouseenter="onItemMouseEnter($event, processedItem)" v-bind="getPTOptions(processedItem, 'content')">
                     <template v-if="!templates.item">
                         <router-link v-if="getItemProp(processedItem, 'to') && !isItemDisabled(processedItem)" v-slot="{ navigate, href, isActive, isExactActive }" :to="getItemProp(processedItem, 'to')" custom>
-                            <a v-ripple :href="href" :class="getItemActionClass(processedItem, { isActive, isExactActive })" tabindex="-1" aria-hidden="true" @click="onItemActionClick($event, navigate)" v-bind="getPTOptions(processedItem, 'action')">
-                                <component v-if="templates.itemicon" :is="templates.itemicon" :item="processedItem.item" :class="getItemIconClass(processedItem)" />
-                                <span v-else-if="getItemProp(processedItem, 'icon')" :class="getItemIconClass(processedItem)" v-bind="getPTOptions(processedItem, 'icon')" />
-                                <span class="p-menuitem-text" v-bind="getPTOptions(processedItem, 'label')">{{ getItemLabel(processedItem) }}</span>
+                            <a v-ripple :href="href" :class="getCXOptions('action', { isActive, isExactActive })" tabindex="-1" aria-hidden="true" @click="onItemActionClick($event, navigate)" v-bind="getPTOptions(processedItem, 'action')">
+                                <component v-if="templates.itemicon" :is="templates.itemicon" :item="processedItem.item" :class="getCXOptions('icon', { processedItem })" />
+                                <span v-else-if="getItemProp(processedItem, 'icon')" :class="getCXOptions('icon', { processedItem })" v-bind="getPTOptions(processedItem, 'icon')" />
+                                <span :class="getCXOptions('label')" v-bind="getPTOptions(processedItem, 'label')">{{ getItemLabel(processedItem) }}</span>
                             </a>
                         </router-link>
-                        <a
-                            v-else
-                            v-ripple
-                            :href="getItemProp(processedItem, 'url')"
-                            :class="getItemActionClass(processedItem)"
-                            :target="getItemProp(processedItem, 'target')"
-                            tabindex="-1"
-                            aria-hidden="true"
-                            v-bind="getPTOptions(processedItem, 'action')"
-                        >
-                            <component v-if="templates.itemicon" :is="templates.itemicon" :item="processedItem.item" :class="getItemIconClass(processedItem)" />
-                            <span v-else-if="getItemProp(processedItem, 'icon')" :class="getItemIconClass(processedItem)" v-bind="getPTOptions(processedItem, 'icon')" />
-                            <span class="p-menuitem-text" v-bind="getPTOptions(processedItem, 'label')">{{ getItemLabel(processedItem) }}</span>
+                        <a v-else v-ripple :href="getItemProp(processedItem, 'url')" :class="getCXOptions('action')" :target="getItemProp(processedItem, 'target')" tabindex="-1" aria-hidden="true" v-bind="getPTOptions(processedItem, 'action')">
+                            <component v-if="templates.itemicon" :is="templates.itemicon" :item="processedItem.item" :class="getCXOptions('icon', { processedItem })" />
+                            <span v-else-if="getItemProp(processedItem, 'icon')" :class="getCXOptions('icon', { processedItem })" v-bind="getPTOptions(processedItem, 'icon')" />
+                            <span :class="getCXOptions('label')" v-bind="getPTOptions(processedItem, 'label')">{{ getItemLabel(processedItem) }}</span>
                             <template v-if="getItemProp(processedItem, 'items')">
-                                <component v-if="templates.submenuicon" :is="templates.submenuicon" :root="root" :active="isItemActive(processedItem)" class="p-submenu-icon" />
-                                <component v-else :is="root ? 'AngleDownIcon' : 'AngleRightIcon'" class="p-submenu-icon" v-bind="getPTOptions(processedItem, 'submenuIcon')" />
+                                <component v-if="templates.submenuicon" :is="templates.submenuicon" :root="root" :active="isItemActive(processedItem)" :class="getCXOptions('submenuIcon')" />
+                                <component v-else :is="root ? 'AngleDownIcon' : 'AngleRightIcon'" :class="getCXOptions('submenuIcon')" v-bind="getPTOptions(processedItem, 'submenuIcon')" />
                             </template>
                         </a>
                     </template>
@@ -50,7 +44,7 @@
                     v-if="isItemVisible(processedItem) && isItemGroup(processedItem)"
                     :menuId="menuId"
                     role="menu"
-                    class="p-submenu-list"
+                    :style="getSXOptions('submenu', { processedItem })"
                     :focusedItemId="focusedItemId"
                     :items="processedItem.items"
                     :mobileActive="mobileActive"
@@ -67,7 +61,7 @@
                 v-if="isItemVisible(processedItem) && getItemProp(processedItem, 'separator')"
                 :id="getItemId(processedItem)"
                 :style="getItemProp(processedItem, 'style')"
-                :class="getSeparatorItemClass(processedItem)"
+                :class="getCXOptions('separator', { processedItem })"
                 role="separator"
                 v-bind="ptm('separator')"
             ></li>
@@ -76,15 +70,15 @@
 </template>
 
 <script>
-import BaseComponent from 'primevue/basecomponent';
 import AngleDownIcon from 'primevue/icons/angledown';
 import AngleRightIcon from 'primevue/icons/angleright';
 import Ripple from 'primevue/ripple';
 import { ObjectUtils } from 'primevue/utils';
+import BaseMenubar from './BaseMenubar.vue';
 
 export default {
     name: 'MenubarSub',
-    extends: BaseComponent,
+    extends: BaseMenubar,
     emits: ['item-mouseenter', 'item-click'],
     props: {
         items: {
@@ -150,6 +144,18 @@ export default {
                 }
             });
         },
+        getCXOptions(key, params) {
+            return this.cx(key, {
+                ...params,
+                context: this
+            });
+        },
+        getSXOptions(key, params) {
+            return this.sx(key, true, {
+                ...params,
+                context: this
+            });
+        },
         isItemActive(processedItem) {
             return this.activeItemPath.some((path) => path.key === processedItem.key);
         },
@@ -180,37 +186,6 @@ export default {
         },
         getAriaPosInset(index) {
             return index - this.items.slice(0, index).filter((processedItem) => this.isItemVisible(processedItem) && this.getItemProp(processedItem, 'separator')).length + 1;
-        },
-        getItemClass(processedItem) {
-            return [
-                'p-menuitem',
-                this.getItemProp(processedItem, 'class'),
-                {
-                    'p-menuitem-active p-highlight': this.isItemActive(processedItem),
-                    'p-focus': this.isItemFocused(processedItem),
-                    'p-disabled': this.isItemDisabled(processedItem)
-                }
-            ];
-        },
-        getItemActionClass(processedItem, routerProps) {
-            return [
-                'p-menuitem-link',
-                {
-                    'router-link-active': routerProps && routerProps.isActive,
-                    'router-link-active-exact': this.exact && routerProps && routerProps.isExactActive
-                }
-            ];
-        },
-        getItemIconClass(processedItem) {
-            return ['p-menuitem-icon', this.getItemProp(processedItem, 'icon')];
-        },
-        getSeparatorItemClass(processedItem) {
-            return ['p-menuitem-separator', this.getItemProp(processedItem, 'class')];
-        }
-    },
-    computed: {
-        containerClass() {
-            return { 'p-submenu-list': !this.root, 'p-menubar-root-list': this.root };
         }
     },
     components: {