127 entries under unstable topic. ×

5
flighty(adjective, unsettled, variable)
5
fluid(adjective, upset, change, anxious)
5
impulsive(adjective, unusual, chance, original)
5
nervous(adjective, awkward, worried, stiff)
5
spineless(adjective, nervous, hesitant, fearful)
5
varying(adjective, irregular, unsettled, unpredictable)
4
contingent(adjective, delicate, chance, limited)
4
explosive(adjective, upset, passionate, anxious)
4
restless(adjective, anxious, sick, unsettled)
4
timorous(adjective, nervous, hesitant, fearful)
4
tottery
4
vagrant(unsettled, variable, capricious, fluctuating)
3
mobile(adjective, upset, weak, anxious)
3
on thin ice(expression, adjective, idiom, delicate, nervous)
2
agitated(unsettled, variable, capricious, fluctuating)
2
unhealthy(adjective, delicate, sensitive, ill)
2
variant(adjective, change, unsettled, variable)
1
commutative(unsettled, variable, capricious, fluctuating)
1
convertible(unsettled, variable, capricious, fluctuating)
1
cussed(adjective, passionate, unpredictable, unreliable)
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APASmart Define. (2016). uncertain thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/uncertain/thesaurus/synonyms
ChicagoSmart Define. 2016. "uncertain thesaurus" https://smartdefine.org/uncertain/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, uncertain thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/uncertain/thesaurus/synonyms>.
MLASmart Define. "uncertain thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/uncertain/thesaurus/synonyms>