8
cowardly(adjective, uncertain, nervous, hesitant, fearful)
8
delicate(adjective, understanding, weak, keen, fine)
8
doubtful(adjective, weak, delicate, uncertain, nervous)
8
dubious(adjective, delicate, uncertain, nervous, dishonest)
8
explosive(adjective, unreliable, fickle, insecure, volatile)
8
mortal(adjective, dangerous, transientness)
8
moving(adjective, weak, free, uncertain, short)
8
slippery(adjective, weak, smooth, delicate, uncertain)
8
transient(adjective, anxious, limited, unsettled, agitated)
8
uneven(adjective, stable, irregular, shaky, unpredictable)
8
untrustworthy(adjective, weak, false, careless, loose)
7
disturbed(adjective, upset, rough, violent, anxious)
7
frail(adjective, weak, delicate, false, ill)
7
fugitive(adjective, limited, brief, temporary, transient)
7
giddy(adjective, careless, silly, stupid, doubtful)
7
hazardous(adjective, delicate, wild, uncertain, doubtful)
7
indecisive(adjective, weak, delicate, uncertain, nervous)
7
neurotic(adjective, anxious, unpredictable, unreliable, fearful)
7
perishable(adjective, transientness)
7
provisional(adjective, transientness)
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APASmart Define. (2016). unstable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unstable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unstable thesaurus" https://smartdefine.org/unstable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, unstable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unstable/thesaurus/synonyms>.
MLASmart Define. "unstable thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/unstable/thesaurus/synonyms>