- Definitions|2
- Thesaurus|1.5k
- Abbreviations|0
61 entries under adjective topic. ×
| deceitful(adverb, shady, veraciously) | |
| shady(adverb, deceitful, suspicious, disreputable) | |
| devious(adverb, deceitful, shady, veraciously) | |
| lying(verb, adverb, deceitful, shady) | |
| dishonest(good, open, honest, lying) | |
| underhanded(adverb, good, open, deceitful) | |
| tricky(smooth, simple, sly, deceptive) | |
| underhand | |
| artful | |
| covert(open, clandestine, underhanded) | |
| deceptive(open, reliable) | |
| fishy(honest, doubtful, suspicious) | |
| furtive(sneaky, secretive) | |
| sharp(dishonest, deceitful) | |
| sneaky(dishonest, underhanded) | |
| clandestine(secret, sly) | |
| cloak-and-dagger | |
| fallacious | |
| false | |
| fraudulent |
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| APA | Smart Define. (2015). aboveboard thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/aboveboard/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "aboveboard thesaurus" https://smartdefine.org/aboveboard/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, aboveboard thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/aboveboard/thesaurus/antonyms>. |
| MLA | Smart Define. "aboveboard thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/aboveboard/thesaurus/antonyms> |