keep step (verb) keep up: maintain, sustain
Sinonime: bad-humored, bearish,
cantankerous, choleric, crabby, cross, crotchety, cussed,
disagreeable, got up on wrong side of bed, grouchy,
grumpy, hot-tempered, ill-humored, irascible, irritable, like a bear,
mean,
ornery*, out of sorts,
perverse, quick-tempered, ratty, snappish, tetchy,
ugly, vinegary
Antonime: amiable,
cheerful,
happy