- Definitions|1
- Thesaurus|1.7k
- Abbreviations|0
| precarious(uncertain, shaky, unclear, unlikely, questionable) | |
| preposterous | |
| problematical | |
| queasy | |
| refutable | |
| sneaky(uncertain, shaky, unclear, unlikely, questionable) | |
| suppositional | |
| suspensive | |
| tall | |
| touch-and-go(uncertain, shaky, unclear, unlikely, questionable) | |
| touchy(shaky, unlikely, unpromising) | |
| unapt(adjective, doubtful) | |
| unclear(adjective, uncertain, unstable, doubtful, unsettled) | |
| unconfirmed(uncertain, doubtful, shaky, unclear, risky) | |
| unconvincing | |
| undecided | |
| under discussion(adjective, contentious, provocative, debated) | |
| undetermined | |
| unearthly | |
| ungodly |
For more, visit
Doubtable on
Power Thesaurus
| APA | Smart Define. (2015). doubtable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/doubtable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "doubtable thesaurus" https://smartdefine.org/doubtable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, doubtable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/doubtable/thesaurus/synonyms>. |
| MLA | Smart Define. "doubtable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/doubtable/thesaurus/synonyms> |