123 entries under variable topic. ×

14
unsafe(adjective, dangerous, characteristic, quality, finance)
14
unsure(adjective, change, strong, weak, delicate)
13
inconsistent(adjective, change, continue, passionate, loose)
12
fitful(adjective, careless, anxious, irregular, doubtful)
12
fluid(adjective, upset, change, anxious, unsettled)
12
irresponsible(adjective, characteristic, quality, careless, finance)
12
temperamental(adjective, change, continue, delicate, careless)
11
fluctuating(adjective, weak, lively, uncertain, active)
10
irregular(adjective, lively, uncertain, active, unsettled)
10
shifting(adjective, upset, anxious, limited, irregular)
10
ticklish(adjective, upset, change, understanding, continue)
10
unfixed(adjective, short, limited, unsettled, unpredictable)
9
changeful(adjective, upset, careless, anxious, unreasonable)
9
protean(adjective, unsettled, unpredictable, unreliable, changeable)
9
treacherous(adjective, uncertain, dishonest, shaky, unpredictable)
9
varying(adjective, irregular, unsettled, unpredictable, unreliable)
8
dubious(adjective, delicate, uncertain, nervous, dishonest)
8
untrustworthy(adjective, weak, false, careless, loose)
7
indecisive(adjective, weak, delicate, uncertain, nervous)
7
tricky(adjective, understanding, keen, fine, difficult)
10 years ago|29k views|share |citing 
APASmart Define. (2016). unstable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unstable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unstable thesaurus" https://smartdefine.org/unstable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, unstable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unstable/thesaurus/synonyms>.
MLASmart Define. "unstable thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/unstable/thesaurus/synonyms>