The word "etiquette" is abstract. It refers to the set of conventional rules and behaviors governing social interactions, rather than a tangible object or physical entity. While it can manifest in concrete actions and behaviors, the concept itself exists in the realm of ideas and social norms.
The word etiquette is an abstract noun. Etiquette has no substance, it's something that you know or understand.
The word etiquette is an abstract noun. Etiquette has no substance, it's something that you know or understand.
The word etiquette is a noun. Nouns don't have tenses. Nouns are singular or plural, common or proper, concrete or abstract. Verbs have tenses, there is no verb form for etiquette. The noun etiquette is a singular, common, abstract noun.
abstract
The word omen is an abstract noun.
The noun 'hunger' is a concrete noun, a word for a physical condition, a physical sensation.The noun 'hunger' is an abstract noun as a word for a desire or a need; a word for an emotion.
The word 'independence' is an abstract noun, a word for a concept.
Examples of abstract, concrete noun combinations:Statue of Liberty (statue is a concrete noun; liberty of an abstract noun)science building (science is an abstract noun; building is a concrete noun)bargain basement (bargain is an abstract noun; basement is a concrete noun)the noun 'air' is a concrete noun as a word for the substance that surrounds the earth; the noun 'air' is an abstract noun as a word for the ambiance of a place.the noun 'heart' is a concrete noun as a word for an organ of the body; the noun 'heart' is an abstract noun as a word for the essence of something.the noun 'edge' is a concrete noun as a word for the sharp side of a blade; the noun 'edge' is an abstract noun as a word for an advantage.
There is no abstract noun form of the concrete noun leaf, a word for a physical object.
Concrete noun
The noun 'noun' is an abstract noun, a word for a concept.
The homograph word for "not abstract" is concrete. In this case, "concrete" means something that is specific, tangible, or physical, as opposed to being abstract or theoretical.