Also found in: Thesaurus.
1. Characterized by chirping tones: a bird with a chirpy song.
2. Tending to chirp: a chirpy parakeet.
3. Cheerful and good-humored: a chirpy radio announcer.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.