50 entries under doubtful topic. ×

1
dubious(irregular, vague, unpredictable, unreliable)
1
hesitant(anxious, worried, vague, tense)
1
iffy(adjective, uncertain, unstable, irregular)
1
incalculable(irregular, vague, hesitant, unreliable)
1
indefinite(adjective, vague, hesitant, changeable)
1
insecure(vague, uneven, unsure, unbalanced)
1
irrational(adjective, weak, loose, uncertain)
1
precarious(vague, uneven, unsure, unbalanced)
1
risky(vague, uneven, unsure, unbalanced)
1
slippery(adjective, weak, uncertain, sensitive)
1
touch and go(expression, idiom, vague, unsure)
1
unconfirmed(vague, hesitant, changeable, unsure)
1
undecided(adjective, vague, hesitant, changeable)
1
undetermined(vague, hesitant, unpredictable, changeable)
1
unforeseeable(vague, hesitant, unpredictable, changeable)
1
unresolved(vague, hesitant, unpredictable, changeable)
1
unsure(adjective, vague)
1
up for grabs(expression, vague, hesitant, changeable)
0
chancy(vague, unsure)
0
hanging by a thread(expression, vague, hesitant, changeable)
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APASmart Define. (2015). fitful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/fitful/thesaurus/synonyms
ChicagoSmart Define. 2015. "fitful thesaurus" https://smartdefine.org/fitful/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, fitful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/fitful/thesaurus/synonyms>.
MLASmart Define. "fitful thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/fitful/thesaurus/synonyms>