Thesaurus

Synonyms for Cranky include:

atrabilious, bad-tempered, bilious, bristly, cantankerous, choleric, churlish, coseismal, coseismic, crabbed, crabby, crank, cranky, cross, crotchety, crusty, curmudgeonly, currish, dark, disagreeable, dour, dyspeptic, explosive, fractious, fussy, glowering, glum, grouchy, gruff, grumpy, hot-tempered, hotheaded, huffish, ill-humored, ill-humoured, ill-natured, ill-tempered, impermanent, inconstant, irascible, irritable, liverish, misanthropic, misanthropical, misogynous, moody, morose, nagging, nettlesome, ornery, peckish, peevish, pettish, petulant, prickly, quick-tempered, rickety, rocky, saturnine, scratchy, seismal, seismic, shaky, shirty, short-tempered, shrewish, snappish, snappy, snorty, sour, splenetic, spoiled, spoilt, sulky, sullen, surly, techy, temporary, tender, testy, tetchy, tippy, tipsy, top-heavy, tottering, ugly, unpleasant, unstable, unsteady, vinegarish, vinegary, volatile, volcanic, waspish, wobbly, wonky

cranky is a ADJ.