to make a characteristic short, sharp sound, as small birds and certain insects.

to make any similar sound

The children chirped with amusement.

to sound or utter in a chirping manner

The little girl chirped her joy.

a chirping sound.

verb

call , chip , chipper , chirrup , lilt , pipe , purl , quaver , roll , sing , sound , trill , tweedle , tweet , twitter , warble , cheep , cherup , chitter , peep , pue