unstable
WordReference English Thesaurus © 2025
Sense: Adjective: unbalanced
Synonyms:
unsteady, unbalanced, wavering, wobbly, precarious, top-heavy, teetering, tottering, lopsided, off-balance, shaky Collocations, rocky
Antonyms:
firm Collocations, steady Collocations, solid Collocations, unwavering, balanced Collocations, weighted down, reinforced, fixed Collocations, frozen Collocations, safe Collocations, stabilized, straightened
Sense: Adjective: emotionally troubled
Synonyms:
moody Collocations, unbalanced, temperamental, mercurial, sensitive Collocations, oversensitive, thin-skinned, volatile, unpredictable Collocations, uncertain Collocations, capricious, giddy Collocations, fluctuating, fragile Collocations, frail Collocations, inconsistent, insecure Collocations
Antonyms:
sound Collocations, stable Collocations, level-headed, focused Collocations, restrained Collocations, predictable Collocations, consistent Collocations, calm Collocations, methodical, sensible Collocations, constant Collocations, harmonious, secure Collocations, resolute, trustworthy Collocations, unchanging, unperturbed, low risk, tried and trusted, of sound mind
Sense: Adjective: subject to change
Synonyms:
changing Collocations, fluctuating, unsteady, varying, irregular, volatile, flighty, up and down, unpredictable Collocations, precarious
Sense: Adjective: subject to fission
Synonyms:
fissionable, fractionable, factious, fissiparous
Antonyms:
strong Collocations, adhesive, durable Collocations, resilient Collocations, bombproof, shockproof, imperishable, impervious, lasting Collocations, secure Collocations