Synonyms|375Antonyms|106|Broader|0Narrower|0Related|281

41 entries under undecided topic. ×

4
unclear(adjective, clear, open, certain, uncertain)
4
undependable(adjective, uncertain, nervous, doubtful, dubious)
3
fly-by-night(adjective, uncertain, nervous, doubtful, dubious)
3
unassured(adjective, uncertain, nervous, doubtful, dubious)
3
variable(adjective, uncertain, irregular, doubtful, vague)
2
on thin ice(expression, adjective, idiom, delicate, uncertain)
2
open(adjective, uncertain, nervous, unstable, doubtful)
2
touch and go(expression, adjective, idiom, delicate, uncertain)
2
vacillating(adjective, uncertain, nervous, doubtful, vague)
1
changeable(adjective, uncertain, irregular, doubtful, vague)
1
fitful(adjective, uncertain, unstable, irregular, doubtful)
1
hanging by a thread(expression, adjective, idiom, delicate, uncertain)
1
inconstant(adjective, uncertain, irregular, doubtful, vague)
1
irregular(adjective, unusual, uncertain, unstable, doubtful)
1
on the fence
1
skeptical(adjective, uncertain, nervous, doubtful, hesitant)
1
unconvinced(adjective, uncertain, nervous, doubtful, hesitant)
1
untrusty(adjective, uncertain, nervous, doubtful, hesitant)
1
up for grabs(expression, adjective, idiom, uncertain, nervous)
1
waffling(adjective, open, uncertain, doubtful, vague)
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APASmart Define. (2015). iffy thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/iffy/thesaurus/synonyms
ChicagoSmart Define. 2015. "iffy thesaurus" https://smartdefine.org/iffy/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, iffy thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/iffy/thesaurus/synonyms>.
MLASmart Define. "iffy thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/iffy/thesaurus/synonyms>