101 entries under uncertain topic. ×

30
tricky(adjective, hard, open, difficult, delicate)
24
sensitive(adjective, hard, difficult, delicate)
20
debatable(adjective, open, certain, doubtful)
20
rugged(adjective, hard, difficult, delicate)
18
doubtful(adjective, clear, open, rough, delicate)
17
questionable(adjective, clear, open, rough, certain)
16
disputable(adjective, open, certain, doubtful)
16
dubious(adjective, clear, open, rough, delicate)
15
moot(adjective, open, certain, doubtful)
14
problematical(adjective, clear, open, difficult, certain)
14
unsettled(adjective, open, rough, delicate)
13
arguable(adjective, open, certain, doubtful)
12
unsure(adjective, clear, rough, delicate, certain)
11
enigmatic(adjective, open, doubtful, dubious)
11
iffy(adjective, clear, open, delicate, informal)
10
ambiguous(adjective, clear, open, rough, delicate)
10
open(adjective, open, nervous, unstable)
9
equivocal(adjective, clear, rough, delicate, certain)
9
suspect(adjective, open, unreasonable, doubtful)
9
undecided(adjective, nervous, doubtful, unsettled)
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APASmart Define. (2016). problematic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/problematic/thesaurus/synonyms
ChicagoSmart Define. 2016. "problematic thesaurus" https://smartdefine.org/problematic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, problematic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/problematic/thesaurus/synonyms>.
MLASmart Define. "problematic thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/problematic/thesaurus/synonyms>