From WordNet (r) 2.0 [wn]:
From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:
274 Moby Thesaurus words for "unrestrained": a bit much, abandoned, ablaze, accessible, adrift, afire, afloat, alternating, amorphous, approachable, ardent, artless, bibulous, bluff, blunt, boiling over, boundless, breathless, broad, brusque, burning, candid, capricious, careless, changeable, changeful, communicative, conversable, cordial, crapulent, crapulous, delirious, demonstrative, desultory, deviable, direct, disobedient, dizzy, downright, drunk, easy, easygoing, eccentric, effusive, egregious, enormous, enthusiastic, erratic, exaggerated, excessive, excited, exorbitant, expansive, explicit, extravagant, extreme, extroverted, exuberant, fabulous, fancy, fast and loose, febrile, fervent, fervid, fevered, feverish, fickle, fiery, fitful, flaming, flickering, flighty, flitting, fluctuating, flushed, forthright, frank, frankhearted, freakish, free, free-speaking, free-spoken, free-tongued, genuine, giddy, gigantic, glowing, gluttonous, go-go, gossipy, headstrong, heady, heart-to-heart, hearty, heated, high, hot, hyperbolic, hypertrophied, immoderate, impassioned, impetuous, impotent, imprecise, impulsive, inconsistent, inconstant, incontinent, indecisive, indifferent, indulgent, infirm, ingenuous, inordinate, insubordinate, intemperate, intense, intoxicated, irregular, irrepressible, irresolute, irresponsible, keen, lawless, lax, lenient, licentious, lively, loose, mazy, mercurial, monstrous, moody, mutinous, negligent, newsy, nonrestrictive, on fire, open, openhearted, orgiastic, out of bounds, out of control, out of hand, out of sight, outgoing, outrageous, outspoken, overbig, overdeveloped, overgreat, overgrown, overindulgent, overindulging, overlarge, overmuch, overpermissive, overweening, passionate, permissive, plain, plain-spoken, plainspoken, prodigal, rambling, rampant, red-hot, reinless, relaxed, remiss, restless, riotous, round, roving, scatterbrained, self-indulgent, self-revealing, self-revelatory, self-willed, shapeless, shifting, shifty, shuffling, sincere, slack, slipshod, sloppy, sociable, soft, spasmodic, spineless, steaming, steamy, steep, stiff, straight, straight-out, straightforward, swinish, talkative, too much, transparent, unaccountable, unbridled, uncertain, unchecked, uncoerced, uncompelled, unconfined, unconscionable, unconstrained, uncontinent, uncontrolled, uncurbed, undependable, undisciplined, undue, unequivocal, unfixed, unforced, unfrugal, ungoverned, unguarded, unhampered, uninhibited, unlimited, unmastered, unmeasured, unmuzzled, unpredictable, unreasonable, unreined, unreliable, unrepressed, unreserved, unrestricted, unrestrictive, unreticent, unruly, unsecretive, unsettled, unshrinking, unsilent, unstable, unstable as water, unstaid, unsteadfast, unsteady, unsubdued, unsuppressed, untempered, unthrifty, untrammeled, vacillating, vagrant, variable, vicissitudinary, vicissitudinous, vigorous, volatile, wandering, wanton, warm, wavering, wavery, wavy, wayward, weak, whimsical, wild, wildcat, willful, wishy-washy, zealous
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