- Definitions|2
- Thesaurus|976
- Abbreviations|0
| unconfirmable | |
| undecided(adjective, weak, uncertain, doubtful, unsettled) | |
| undetermined(adjective, weak, uncertain, doubtful, hesitant) | |
| undivinable | |
| uneager(adjective, uncertain, shy, doubtful, hesitant) | |
| unforeseeable | |
| unprovable | |
| unresolved(uncertain, hesitant, dubious, unsure) | |
| unsettled(adjective, weak, uncertain, doubtful, hesitant) | |
| unstable(adjective, weak, false, uncertain, dishonest) | |
| unsteady(adjective, weak, uncertain, doubtful, shaky) | |
| unverifiable | |
| unwasteful(considerate, cautious, prudent, suspicious, watchful) | |
| unwilling(adjective, uncertain, shy, doubtful, hesitant) | |
| variable | |
| waffling(adjective, weak, uncertain, doubtful, hesitant) | |
| walking on eggs(expression, considerate, cautious, prudent, suspicious) | |
| watching out(expression, considerate, cautious, prudent, suspicious) | |
| weak(adjective, uncertain, doubtful, shaky, unsure) | |
| weak-kneed(weak, indecisive, vacillating) |
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| APA | Smart Define. (2016). doubting thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/doubting/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "doubting thesaurus" https://smartdefine.org/doubting/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, doubting thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/doubting/thesaurus/synonyms>. |
| MLA | Smart Define. "doubting thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/doubting/thesaurus/synonyms> |