noun
auxiliary adjective; subsidiary adjective
Linguistics term for an adjective that follows another word and adds grammatical meaning, such as ない in 怖くない or ほしい in 見てほしい. Used in Japanese grammar descriptions.
「怖くない」の「ない」は補助形容詞です。
The ない in 怖くない is an auxiliary adjective.
Auxiliary adjectives are used to add grammatical functions.