- Definitions|2
- Thesaurus|730
- Abbreviations|0
6 entries under suspicious topic. ×
| precarious(adjective, change, quality, dark, doubt) | |
| uncertain(adjective, change, quality, dark, doubt) | |
| ambiguous(adjective, quality, dark, doubt) | |
| disputable(adjective, dark, doubt, loathsome) | |
| dubious(adjective, dark, doubt, unstable, doubtful) | |
| iffy(adjective, dark, doubt, doubted) |
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| APA | Smart Define. (2016). sustainable thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/sustainable/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "sustainable thesaurus" https://smartdefine.org/sustainable/thesaurus/antonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2016, sustainable thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/sustainable/thesaurus/antonyms>. |
| MLA | Smart Define. "sustainable thesaurus" 29 March 2016. Web. 1 October 2026. <https://smartdefine.org/sustainable/thesaurus/antonyms> |