sing (verb) sing. ... all–singing, all–dancing (adjective) fat (adjective)

Is sing an adjective or adverb?

verb (used without object), sang [sang] or, often, sung [suhng]; sung; sing·ing. to utter words or sounds in succession with musical modulations of the voice; vocalize melodically. to perform a song or voice composition: She promised to sing for us.

What kind of adjective is sing?

Included below are past participle and present participle forms for the verbs sing and singe which may be used as adjectives within certain contexts. (music) Smooth and flowing. (of a kettle etc.) Producing a whistling sound due to the escape of steam.