unstable synonyms and antonyms

instable

English mentally ill, precarious, unstable, protean, shaky, unsteady

mentally ill

English unstable, crazy, unsound

unstable

English mentally ill, labile, instable, precarious, fluid, weak

labile

English unstable, labile, ambitransitive

precarious

English unstable, unsteady, shaky, touch and go, rickety, tottering, uncertain, unsafe, wobbly

fluid

English unstable, fluid, atmosphere, fluent, runny, liquid, mobile, genderfluid, sinuous

weak

English unstable, weak minded, ailing, brittle, feeble, lame, languid, limp, little, pithless, powerless, regular, vincible, accessible, adulterated, attenuated, boneless, breakable, childish, compliant, debilitated, defenceless, delicate, dilute, diluted, enervated, enfeebled, exhausted, faint, flimsy, foolish, frail, frangible, frivolous, futile, gentle, helpless, illogical, imbecile, inconclusive, inconsiderable, indiscreet, indistinct, ineffective, ineffectual, inefficient, infirm, injudicious, insipid, irresolute, languished, light, low, pliable, pliant, poor, puny, senseless, shaky, shallow, sickly, silly, simple, sleazy, slender, slight, spent, strengthless, stupid, tasteless, thin, trifling, unconvincing, undecided, undetermined, unhealthy, unprotected, unsafe, unsatisfactory, unsettled, unsound, unsteady, unstressed, unsubstantial, unsupported, unsustained, untrustworthy, unwise, vacillating, vague, vain, vulnerable, wasted, watery, wavering, weakly, witless, yielding, decrepit, imperfect, unaccented, weedy, wishy washy

unstable antonyms

nonweak, strong, durable, healthy, potent, might, power, strength, invincible, safe, coal, steel, stable, tough, strong willed, knock down, unbeatable, unconquerable, undefeatable, unvanquishable, inviolable, powerful, world power, stiff, undestroyable, virile, long wearing, perdurable, sustainable, capital expenditure, bad, burly, coffer, comfortable, dangerless, permanent, long lasting, exacting, fitness, fixed, hard, harden, hardy, healthful, good for you, level headed, sizeable, may, mightiness, mightn’t, stallwart, strict, problematical, ruffianly, rugged, sturdy, bully, hood, street fighter, toughened, wholesome

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