16
straight(adjective, adverb)
6
naive
5
aligned
4
honest
3
aboveboard
3
ethical
3
erect
3
honorable
3
just
3
linear
3
principled
3
straightforward
2
direct
2
truthful
2
even
2
frank
2
quality
1
forthright
1
unbent
1
untwisted
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APASmart Define. (2015). crooked thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/crooked/thesaurus/antonyms
ChicagoSmart Define. 2015. "crooked thesaurus" https://smartdefine.org/crooked/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, crooked thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/crooked/thesaurus/antonyms>.
MLASmart Define. "crooked thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/crooked/thesaurus/antonyms>