From Middle English chirken, cherken, charken, from Old English ċircian, ċearcian, ċærcian (“to chatter, creak; chirk, chirp”), a metathetic variant of Old English cracian (“to crack, sound, ring out, resound”), from Proto-Germanic *krakōną (“to make a noise, crack”).
- (intransitive, especially as chirk up) To become happier.
- (transitive, especially as chirk up) To make happier.
1912, Zona Gale, Christmas:
- But--" "Well, I think," said Mis' Jane Moran, "that we've hit on the only way we could have hit on to chirk each other up over a hard time."
- To make the sound of a bird; to chirp.
- The comparative and superlative forms of chirky, chirkier and chirkiest, are sometimes used suppletively as comparative and superlative forms of chirk.
chirk (plural chirks)
- a harsh grating or creaking noise
- (geology, North Northern Scots, Insular Scots) wet gravelly subsoil
- to make a harsh, strident noise
- (of a door) to creak
- (of the teeth or gums) to gnash, rub together
- to make a squelching noise
- chirker (“house-cricket”)