1. (a.) Full of spirit; crank.

2. (a.) Addicted to crotchets and whims; unreasonable in opinions; crotchety.

3. (a.) Unsteady; easy to upset; crank.

abnormal anomalous antagonistic antipathetic arbitrary at cross-purposes at loggerheads at odds at variance at war bearish beefing bellyaching bitching bitchy breakaway cankered cantankerous capricious choleric churlish clashing complaining complaintful conflicting contentious contradicting contradictory contrary counteractant counteracting counteractive countervailing counterworking crabbed crabbing crabby crackbrained cracked crackers crank crankish crazed crazy croaking cross cross-grained crotchety crusty cuckoo cussed daffy daft deviant deviative different differing difficult disaccordant disagreeable disagreeing disappointed discontented discordant discrepant disgruntled disharmonious displeased disproportionate dissatisfied dissident dissonant divergent dotty eccentric envious erratic exceptional excitable fanciful fantasied fantastic faultfinding feisty fey flaky fractious freakish froward funny grating griping grouchy grousing growling gruff grumbling harebrained hostile hot-tempered huffish huffy humorsome idiocratic idiosyncratic ill-humored immiscible inaccordant incompatible inharmonious inimical irascible irregular irritable jangling jarring kinky kooky maggoty malcontent malcontented mean moody motiveless murmuring muttering negative nonconformist notional nutty odd oddball opposing oppositional oppugnant ornery out of accord out of humor out of sorts out of whack peculiar peevish perverse petulant queer querulant querulous quick-tempered quirky ratty reactionary rebellious recalcitrant renitent repugnant resentful resistant restive restless revolutionary screwball screwy short-tempered singular snappish spiteful spleeny splenetic strange sulky surly temperamental testy tetchy touchy twisted ugly unaccepting unaccommodating uncongenial unconventional uneasy unfulfilled ungratified unhappy unharmonious unnatural unreasonable unrestrained unsatisfied vagarious vagrant variant vinegarish vinegary wacky wanton waspish wayward weird whimsical whiny