The Collaborative International Dictionary
Curmudgeonly \Cur*mudg"eon*ly\, a. Like a curmudgeon; niggardly; churlish; as, a curmudgeonly fellow.
Wiktionary
a. Characteristic of a curmudgeon; churlish
WordNet
adj. brusque and surly and forbidding; "crusty remarks"; "a crusty old man"; "his curmudgeonly temper"; "gruff manner"; "a gruff reply" [syn: crusty, gruff, ill-humored, ill-humoured]
Usage examples of "curmudgeonly".
She vowed it was done curmudgeonly to vex her, because her uncle hated wedding-presents and had grunted at the exhibition of cups and saucers, and this and that beautiful service, and epergnes and inkstands, mirrors, knives and forks, dressing-cases, and the whole mighty category.
She was enthusiastic about the project and the island, then reined herself quickly in, as if a tussle was going on within her between an unfurling desire and a sulky, curmudgeonly, press-ganged response.