47 entries under unpredictable topic. ×

23
uncertain(noun, adjective, clear, open, delicate)
15
dubious(adjective, clear, open, delicate, certain)
12
dicey(noun, adjective, delicate, uncertain, sensitive)
8
unreliable(adjective, delicate, uncertain, nervous, unstable)
6
capricious(adjective, uncertain, irregular, dubious)
6
erratic(adjective, uncertain, irregular, doubtful, vague)
5
unstable(adjective, delicate, uncertain, nervous, irregular)
3
arbitrary(adjective, irregular, unreliable, changeable)
3
fluctuant(adjective, uncertain, nervous, irregular, doubtful)
3
variable(adjective, uncertain, irregular, doubtful, vague)
2
inconsistent(adjective, irregular, unreliable)
2
volatile(adjective, unusual, uncertain, unstable, irregular)
1
changeable(adjective, uncertain, irregular, doubtful, vague)
1
fitful(adjective, uncertain, unstable, irregular, doubtful)
1
inconstant(adjective, uncertain, irregular, doubtful, vague)
1
irregular(adjective, unusual, uncertain, unstable, doubtful)
1
mercurial(adjective, unusual, uncertain, unstable, irregular)
1
shifting(adjective, unusual, uncertain, unstable, irregular)
1
spasmodic(adjective, unusual, uncertain, unstable, irregular)
0
aberrant(irregular, unreliable)
<123>
11 years ago|5.7k views|share |citing 
APASmart Define. (2015). iffy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/iffy/thesaurus/synonyms
ChicagoSmart Define. 2015. "iffy thesaurus" https://smartdefine.org/iffy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, iffy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/iffy/thesaurus/synonyms>.
MLASmart Define. "iffy thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/iffy/thesaurus/synonyms>