Define noun. noun synonyms, noun pronunciation, noun translation, English dictionary definition of noun. Nouns are words that indicate a person, place, or thing. In a sentence, nouns can function as the subject or the object of a verb.

Nouns are words that indicate a person, place, or thing. In a sentence, nouns can function as the subject or the object of a verb or preposition.

A noun clause is a type of dependent clause that is able to function grammatically like a noun in a sentence.

A compound noun is a noun consisting of two or more words working together as a single unit to name a person, place, or thing. Compound nouns are usually made up of two nouns or an adjective and a noun, but other combinations are also possible, as well.

Adverbial nouns are nouns or noun phrases that function grammatically as adverbs to modify verbs and complement certain adjectives.

Common nouns identify general, nonspecific people, places, or things. Proper nouns are used to identify unique people, places, or things, and are capitalized.

Noun phrases are groups of two or more words within a sentence that function grammatically as nouns. They consist of a noun and other words that modify the noun. Some grammarians also consider a single-word noun to be a noun phrase, while more traditional grammars hold that a phrase must be made up of two or more words.

Collective nouns are nouns that refer to a collection or group of multiple people, animals, or things. They usually function as singular nouns in a sentence.

Countable nouns (also known as count nouns) are nouns that can be considered as individual, separable items, which means that we are able to count them with numbers—we can have one, two, five, 15, 100, and so on.

Nouns that cannot be divided or counted as individual elements or separate parts are called uncountable nouns (also known as mass nouns or non-count nouns).