1. To utter short sharp cheerful notes, as certain birds and insects.

2. Their note.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• chispy,
• churh,
• chirs,
• charp,
• chirch,
• shiop,
• chiore,
• shirl,
• chopp,
• chirf,
• chiar,
• chior,
• chrip,
• checp,
• phiip,
• chiyo,
• chiara,
• schip,
• cherl,
• chiari

• chop,
• -ship,
• chirrup,
• sharp,
• chap,
• cheep,
• chimp,
• cheap,
• ship,
• chirps,
• chirpy,
• chip,
• cherub.

The adverb form of "chirp" is "chirpily".

The adjective form of the word "chirp" is "chirping".

The plural of the "chirp" can be the "chirps".

The singular of the "chirp" can be the "chirp".