5
moderate(adjective, characteristic, sense, sanity)
5
sapient(adjective, characteristic, sense, sanity)
5
well(adjective, characteristic, sound, sensible, sense)
4
clever
4
down-to-earth(adjective, characteristic, sense, sanity)
4
of sound mind(expression, idiom, characteristic, sense, stupid)
4
practical(adjective, characteristic, sense, sanity)
4
right(adjective, characteristic, sense, healthy, sane)
4
stable(adjective, characteristic, sense, sanity)
3
calm(adjective, characteristic, sound, sensible, sense)
3
consequent(adjective, characteristic, sense, sanity)
3
discreet(adjective, characteristic, sense, sanity)
3
discriminating(adjective, characteristic, sense, sanity)
3
level-headed(adjective, characteristic, sense, sanity)
3
levelheaded(adjective, characteristic, sense, sanity)
3
matter-of-fact(adjective, characteristic, sense, sanity)
3
responsible(adjective, characteristic, sound, sensible, sense)
3
shrewd(adjective, characteristic, sense, sanity)
3
together(adjective, characteristic, sense, sanity)
2
astute(adjective, characteristic, sense, sanity)
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APASmart Define. (2015). insane thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/insane/thesaurus/antonyms
ChicagoSmart Define. 2015. "insane thesaurus" https://smartdefine.org/insane/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, insane thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/insane/thesaurus/antonyms>.
MLASmart Define. "insane thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/insane/thesaurus/antonyms>