Noun Singular adnoun Plural adnouns (countable) An adnoun is an adjective that is being used as a noun. Related words adjective noun adverb More information Grammar (edit), parts of speech ... Grammar (edit) parts of speech noun - verb - adjective - adnoun - adverb - determinative/determiner - article - participle - pronoun - conjunction - preposition - interjection grammatical functions head - dependent - subject - predicate - predicator - object - complement - predicative complement - predicative adjunct - predicative oblique - appositive oblique - modifier - supplement - adjunct - determiner/specifier clauses main clause - dependent clause - subordinate clause - relative clause CloseWikiwand - on Seamless Wikipedia browsing. On steroids.