Thesaurus

unstable

adjective

Synonyms and Antonyms of unstable

1 not being in or able to maintain a state of balance

the minute we put the books down on the unstable desk, the whole stack went crashing to the floor

Synonyms of unstable

unbalanced, unsteady

Words Related to unstable

rocky, shaky, tippy, tipsy, wavery, wobbly (also wabbly), wonky [British]

infirm, insecure, precarious, unsound

doddering, doddery, jiggling, jiggly, rickety, staggery, teetering, tottering, tottery

askew, awry, cockeyed, lopsided, off-kilter, uneven

Near Antonyms of unstable

even, level, straight

sound, sturdy, substantial

Antonyms of unstable

balanced, equilibrated, stabilized, stable, steady

2 likely to change frequently, suddenly, or unexpectedly

financial investors don't like an unstable economy

Synonyms of unstable

capricious, changeable, changeful, fickle, flickery, fluctuating, fluid, inconsistent, inconstant, mercurial, mutable, skittish, temperamental, uncertain, unpredictable, unsettled, unsteady, variable, volatile

Words Related to unstable

aimless, arbitrary, desultory, erratic, haphazard, hit-or-miss, irregular, random, scattered, slapdash, stray

ambivalent, hesitating, shaky, shilly-shally, shilly-shallying, vacillating, wavering

dicey, undependable, unreliable, untrustworthy

adaptable, mobile, protean, versatile

Phrases Synonymous with unstable

Near Antonyms of unstable

equable, even, uniform

abiding, durable, lasting, permanent, persistent

dependable, reliable, sure, tried, tried-and-true, true, trustworthy, trusty

Antonyms of unstable

certain, changeless, constant, immutable, invariable, predictable, settled, stable, stationary, steady, unchangeable, unchanging, unvarying

3 not staying constant

unstable temperatures are not ideal storage conditions for wine

Synonyms of unstable

changing, erratic, fluctuating, irregular, unequal, uneven, unsteady, varying

Words Related to unstable

capricious, changeable, changeful, choppy, fickle, fluid, inconsistent, inconstant, mercurial, mutable, uncertain, unsettled, variable, volatile

Near Antonyms of unstable

Antonyms of unstable

changeless, constant, stable, steady, unchanging, unvarying

Synonym Discussion of unstable

inconstant, fickle, capricious, mercurial, unstable mean lacking firmness or steadiness (as in purpose or devotion). inconstant implies an incapacity for steadiness and an inherent tendency to change.

- an inconstant friend

fickle suggests unreliability because of perverse changeability and incapacity for steadfastness.

- performers discover how fickle fans can be

capricious suggests motivation by sudden whim or fancy and stresses unpredictability.

- an utterly capricious critic

mercurial implies a rapid changeability in mood.

- made anxious by her boss's mercurial temperament

unstable implies an incapacity for remaining in a fixed position or steady course and applies especially to a lack of emotional balance.

- too unstable to hold a job

Learn More about unstable

See words that rhyme with unstable Dictionary: Definition of unstable Medical Dictionary: Definition of unstable Spanish Central: Translation of unstable Nglish: Translation of unstable for Spanish speakers

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WORD OF THE DAY

detritus

miscellaneous remnants or debris