The highest scoring word in Words With Friends is QUERULOUS with a total of 22 points.
Synonyms: petulant, complaining, pettish, touchy, testy, tetchy, waspish, prickly, crusty, peppery, fractious, fretful, irritable, cross, crabbed, crabby, crotchety, cantankerous, curmudgeonly, disagreeable, miserable, morose, on edge, edgy, impatient, bitter, moody, in a bad mood, grumpy, huffy, scratchy, out of sorts, out of temper, ill-tempered, bad-tempered, ill-natured, ill-humoured, sullen, surly, sulky, sour, churlish, bilious, liverish, dyspeptic, splenetic, choleric