4 entries under shady topic. ×

8
deceitful(adjective, adverb, veraciously)
7
devious(adjective, adverb, deceitful, veraciously)
5
lying(verb, adjective, adverb, deceitful)
5
underhanded(adjective, adverb, good, open, deceitful)
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APASmart Define. (2015). aboveboard thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/aboveboard/thesaurus/antonyms
ChicagoSmart Define. 2015. "aboveboard thesaurus" https://smartdefine.org/aboveboard/thesaurus/antonyms (accessed September 30, 2026).
HarvardSmart Define 2015, aboveboard thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/aboveboard/thesaurus/antonyms>.
MLASmart Define. "aboveboard thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/aboveboard/thesaurus/antonyms>