Irresponsible, Irritable, Kinky, Lowering, Lugubrious, Mazy, Melancholy, Mercurial, Moping, Morose, Motiveless, Notional, Peevish, Petulant, Piqued, Quirky, Rambling, Restless, Roving, Sad, Saturnine, Scowling, Shapeless, Shifting, Shifty, Short, Shuffling, Snappy, Spasmodic, Spineless, Sulking, Sulky, Sullen, Surly, Temperamental, Testy, Touchy, Unaccountable, Uncertain, Uncontrolled, Undisciplined, Uneven, Unfixed, Unhappy, Unpredictable, Unreasonable, Unreliable, Unrestrained, Unsettled, Unstable, Unsteady, Vacillating, Vagrant, Variable, Volatile, Wandering, Wanton, Waspish, Wavering, Wavy, Wayward, Whimsical, Abrupt, Adrift, Afloat, Alternating, Amorphous, Arbitrary, Black, Blue, Brooding, Broody, Cantankerous, Capricious, Changeable, Cheerless, Crabby, Cranky, Crestfallen, Crotchety, Crusty, Curt, Dark, Dejected, Depressed, Desolate, Despondent, Desultory, Disconsolate, Disheartened, Dismal, Dizzy, Dour, Downcast, Downhearted, Eccentric, Erratic, Fanciful, Fantastic, Fickle, Fitful, Flaky, Flickering, Flighty, Flitting, Fluctuating, Freakish, Frowning, Giddy, Gloomy, Glowering, Glum, Grim, Harebrained, Huffy, Impatient, Impetuous, Impulsive, Inconsistent, Inconstant, Indecisive, Infirm, Irregular, Irresolute