- Definitions|2
- Thesaurus|4.1k
- Abbreviations|0
287 entries under adjective topic. ×
| unsteady(unreliable, insecure, treacherous, incalculable) | |
| ambivalent(uncertain, doubtful, vague, hesitant) | |
| conjectural(doubtful, vague, hesitant, changeable) | |
| crooked(false, corrupt, dishonest, immoral) | |
| deniable | |
| devious(evil, false, corrupt, dishonest) | |
| dishonorable(evil, corrupt, dishonest, crooked) | |
| hazardous(shaky, unlikely, unpromising) | |
| inconceivable(extraordinary, amazing, doubtful, dubious) | |
| infamous(dishonest, shameful, crooked, dishonorable) | |
| open to question(expression, idiom, uncertain, doubtful) | |
| opprobrious(dubious, dishonorable, disreputable, infamous) | |
| treacherous(corrupt, dishonest, deceitful, unpredictable) | |
| trustless(uncertain, dishonest, doubtful, deceitful) | |
| unpredictable(uncertain, doubtful, vague, hesitant) | |
| absurd(doubtful, dubious, unbelievable, implausible) | |
| at issue(idiom, clear, certain) | |
| chancy(clear, certain, uncertain, doubtful) | |
| confutative | |
| faithless(dishonest, deceitful, unreliable, insecure) |
For more, visit
Questionable on
Power Thesaurus
| APA | Smart Define. (2015). questionable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/questionable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "questionable thesaurus" https://smartdefine.org/questionable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, questionable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/questionable/thesaurus/synonyms>. |
| MLA | Smart Define. "questionable thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/questionable/thesaurus/synonyms> |