snap·pish \ˈsnapish, -pēsh\adjective Etymology:snap (I) + -ish 1. a.: given to snapping irritable speech : testy, irascible < a snappish old man > < a snappish disposition > b.: arising from a harsh irascible nature : curt and ungracious : cutting < a snappish answer > 2.: inclined or accustomed to bite or snap < a snappish dog > Synonyms:see irritable