'curmudgeonly' definitions:

Definition of 'curmudgeonly'

(from WordNet)
adjective
Brusque and surly and forbidding; "crusty remarks"; "a crusty old man"; "his curmudgeonly temper"; "gruff manner"; "a gruff reply" [syn: crusty, curmudgeonly, gruff, ill-humored, ill-humoured]