2
mature(adjective, hard, complex, vague)
2
mazy
2
multifaceted
2
murderous
2
obscure
2
precocious
2
problematic
2
queen(adjective, poor, common, baseborn, uncrowned)
2
sagacious
2
sage
2
severe
2
showy
2
skeptical
2
sly(adjective, clever, devious)
2
strenuous
2
tangled
2
toilsome
2
tough
2
unclear(adjective, hard, complex, vague)
2
unintelligible(adjective, hard, complex, vague)
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APASmart Define. (2016). simple thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/simple/thesaurus/antonyms
ChicagoSmart Define. 2016. "simple thesaurus" https://smartdefine.org/simple/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, simple thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/simple/thesaurus/antonyms>.
MLASmart Define. "simple thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/simple/thesaurus/antonyms>