4 entries under plain topic. ×

11
ambiguous(adjective, dull, clear, obscure)
11
vague(adjective, dull, clear, obscure)
2
recondite(adjective, obscure, mysterious)
1
unknowable
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>