3
covert
3
indistinguishable
3
insensible
3
murky
2
dim
2
cute(direct, frank)
2
enigmatic(adjective, mysterious)
2
esoteric(adjective, obscure, mysterious)
2
furtive
2
hazy
2
impalpable
2
impenetrable
2
inappreciable
2
incomprehensible
2
indecipherable
2
indeterminate
2
indiscernible
2
inscrutable(adjective, clear, blank, hidden)
2
insidious(adjective, feature, characteristic, behavior)
2
intricate(clear, simple)
10 years ago|7k views|share |citing 
APASmart Define. (2016). obvious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/obvious/thesaurus/antonyms
ChicagoSmart Define. 2016. "obvious thesaurus" https://smartdefine.org/obvious/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, obvious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/obvious/thesaurus/antonyms>.
MLASmart Define. "obvious thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/obvious/thesaurus/antonyms>