-pish, -pēsh adjective
Etymology: wasp (I) + -ish
1.
a. : resembling a wasp in behavior ; especially : easily irritated : quick to take offence : snappish , testy
witty and waspish and said whatever came into his head about his colleagues — Frank O'Connor
his answers were crisp, though he could become waspish when annoyed — H.F. & Katharine Pringle
b. : marked by irritability or petulance
the fourth-raters who use a staff captain's armlet as an excuse for waspish display of minor power — Fred Majdalany
2. : resembling a wasp in form ; especially : slightly built
the grim, black spars and waspish hull of a small man-of-war craft — Herman Melville
Synonyms: see irritable