CRUSTY, adjective 1. Like crust; of the nature of crust; pertaining to a hard covering; hard; as a crusty coat; a crusty surface or substance. 2. Peevish; snappish; morose; surly; a word used in familiar discourse, but not deemed elegant.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI