6
naive
5
comfortable
5
easy(adjective, smooth, simple)
5
honest(adjective, smooth, simple)
4
aboveboard(noun, adjective, smooth, simple)
4
frank(adjective, smooth, simple)
4
hassle-free
4
simple(adjective, smooth)
4
uncomplicated(adjective, smooth, simple)
3
straightforward(adjective, dishonest)
2
sincere(adjective, honest, false, straightforward, insincere)
2
artless
2
candid(adjective, honest)
2
direct(adjective, smooth, simple, vague, equivocal)
2
forthright
2
guileless(adjective, honest)
2
ingenuous
2
loyal
2
open
2
trustworthy
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APASmart Define. (2016). tricky thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/tricky/thesaurus/antonyms
ChicagoSmart Define. 2016. "tricky thesaurus" https://smartdefine.org/tricky/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2016, tricky thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/tricky/thesaurus/antonyms>.
MLASmart Define. "tricky thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/tricky/thesaurus/antonyms>