86 entries under irregular topic. ×

36
dubious(noun, adjective, clear, open, rough)
31
unsettled(noun, adjective, upset, change, open)
30
unreliable(adjective, delicate, passionate, true, nervous)
23
unpredictable(noun, adjective, upset, change, continue)
23
vacillating(adjective, weak, nervous, unstable)
22
unstable(adjective, upset, change, weak, continue)
22
undependable(adjective, passionate, nervous, unstable)
21
irresolute(adjective, open, weak, nervous, unstable)
21
fickle(adjective, change, weak, continue, delicate)
21
iffy(noun, adjective, clear, open, delicate)
21
inconstant(adjective, upset, change, continue, delicate)
20
wavering(adjective, upset, open, weak, anxious)
19
erratic(adjective, change, continue, unusual, passionate)
18
variable(adjective, upset, change, continue, delicate)
17
changeable(adjective, upset, change, continue, delicate)
17
capricious(adjective, change, continue, delicate, unusual)
12
dicey(noun, adjective, delicate, unusual, sensitive)
10
inconsistent(adjective, change, weak, continue, passionate)
10
mercurial(adjective, change, continue, delicate, passionate)
10
volatile(adjective, change, continue, difficult, delicate)
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APASmart Define. (2016). uncertain thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/uncertain/thesaurus/synonyms
ChicagoSmart Define. 2016. "uncertain thesaurus" https://smartdefine.org/uncertain/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, uncertain thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/uncertain/thesaurus/synonyms>.
MLASmart Define. "uncertain thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/uncertain/thesaurus/synonyms>