More cheerful, lively, or bright in manner or sound than something else.
Comparative form of 'chirpy,' formed with the '-er' suffix. 'Chirpy' comes from 'chirp' + '-y,' meaning 'resembling or characterized by chirps,' then 'comparative' adds '-er' to show greater degree.
English adjective comparatives follow two patterns: short words add '-er' (chirpy→chirpier), while longer words use 'more' (beautiful→more beautiful), and this split happened because of how English evolved after the Norman Conquest mixed Saxon and French influences.
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