Freakish

Adjective

 * 1) resembling a freak
 * 2) strange, unusual, abnormal or bizarre
 * 3) capricious or unpredictable

Adverbs for Freakish
outlandishly; ostentatiously; manifestly; absurdly; shamelessly; intentionally; disgustingly; inexcusably; laughably; idiotically; teasingly; tormentingly; erratically; eccentrically; fantastically; whimsically; particularly; wantonly; waywardly; uncomfortably; frivolously; terribly; unexpectedly.

Thesaurus
abnormal, adrift, afloat, alternating, amorphous, anomalous, arbitrary, baroque, bizarre, capricious, changeable, changeful, crank, crankish, cranky, crotchety, deformed, desultory, deviable, deviant, deviative, different, divergent, dizzy, dotty, eccentric, erratic, exceptional, fanciful, fantasied, fantastic, fast and loose, fey, fickle, fitful, flaky, flickering, flighty, flitting, fluctuating, freak, funny, giddy, grotesque, harebrained, humorsome, idiocratic, idiosyncratic, impetuous, impulsive, inconsistent, inconstant, indecisive, infirm, irregular, irresolute, irresponsible, kinky, kooky, maggoty, malformed, mazy, mercurial, misbegotten, misshapen, monstrous, moody, motiveless, notional, nutty, odd, oddball, peculiar, petulant, queer, quirky, rambling, restless, rococo, roving, scatterbrained, screwball, screwy, shapeless, shifting, shifty, shuffling, singular, spasmodic, spineless, strange, temperamental, teratogenic, teratoid, twisted, unaccountable, uncertain, uncontrolled, unconventional, undependable, undisciplined, unfixed, unnatural, unpredictable, unreasonable, unreliable, unrestrained, unsettled, unstable, unstable as water, unstaid, unsteadfast, unsteady, vacillating, vagarious, vagrant, variable, vicissitudinary, vicissitudinous, volatile, wacky, wandering, wanton, wavering, wavery, wavy, wayward, whimsical, wishy-washy