190 entries under adjective topic. ×

2
open(uncertain, nervous, unstable, doubtful)
2
parlous
2
tentative(open, uncertain, doubtful, vague)
2
touch and go(expression, idiom, delicate, uncertain)
2
trustless(unreliable, insecure, treacherous, incalculable)
2
up in the air(expression, idiom, open, uncertain)
2
vacillating(uncertain, nervous, doubtful, vague)
2
volatile(unusual, uncertain, unstable, irregular)
2
wobbly(uncertain, nervous, unstable, doubtful)
1
accident-sensitive(unreliable, insecure, treacherous, incalculable)
1
anxious(nervous, insecure, unsure)
1
betwixt and between(expression, idiom, open, uncertain)
1
changeable(uncertain, irregular, doubtful, vague)
1
critical
1
dickey(unreliable, insecure, treacherous, incalculable)
1
dicky(unreliable, insecure, treacherous, incalculable)
1
disputed
1
dynamite(delicate, uncertain, unstable, doubtful)
1
error-prone(unreliable, insecure, treacherous, incalculable)
1
fair-weather(unreliable, insecure, treacherous, incalculable)
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APASmart Define. (2015). iffy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/iffy/thesaurus/synonyms
ChicagoSmart Define. 2015. "iffy thesaurus" https://smartdefine.org/iffy/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, iffy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/iffy/thesaurus/synonyms>.
MLASmart Define. "iffy thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/iffy/thesaurus/synonyms>