The Collaborative International Dictionary of English v.0.48:
Curmudgeonly \Cur*mudg"eon*ly\, a. Like a curmudgeon; niggardly; churlish; as, a curmudgeonly fellow. [1913 Webster]WordNet (r) 3.0 (2006):
curmudgeonly adj 1: 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]