(idiomatic, music) To sing some music while someone else is singing or playing the same piece of music or while it is being broadcast or performed

(colloquial, singing) A gathering or event where participants are encouraged to add their voices in song.

(idiomatic) to commend someone's attributes to others

Like a piece of sing-song; simple and melodic, song-like.

A kind of verse with a simple, song-like rhythm. / (colloquial, often childish) An informal gathering involving group singing.

Alternative spelling of singjay

(intransitive, literally) To perform vocal music in a higher pitch than alto. / (intransitive, idiomatic, euphemistic, of a man) To suffer castration or an injury to the testicles.

to sing louder. / (music) to sing higher, to sing an ascending scale

To assume a humble tone. / To not say anything; to keep quiet. / To play a minor part. / (singing, obsolete) To sing softly.

(informal) Sing-song.