4 entries under understandable topic. ×

3
obvious(adjective, apparent)
1
luminous(adjective, obvious)
1
simple(adjective, clear, hard, easy, complex)
1
transparent(adjective, obvious)
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APASmart Define. (2015). unclear thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unclear/thesaurus/antonyms
ChicagoSmart Define. 2015. "unclear thesaurus" https://smartdefine.org/unclear/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unclear thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unclear/thesaurus/antonyms>.
MLASmart Define. "unclear thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/unclear/thesaurus/antonyms>