Surly
Part of speech: adjective
Definition: Lordly, arrogant, supercilious. Irritated, bad-tempered, unfriendly. Threatening, menacing, gloomy.
Part of speech: adverb
Definition: In an arrogant or supercilious manner.
Ill-natured
Part of speech: adjective
Definition: bad-tempered, irritable or malevolent