10
clear(adjective, simple)
10
easy
9
royal
9
simple(adjective, hard, complex, vague)
8
plain(adjective, simple, straightforward, vague, unclear)
4
comprehensible
3
concrete
3
lucid
3
obvious
3
straightforward
2
direct
2
elementary(adjective, simple, extra, basic, advanced)
2
facile
2
perspicuous
2
transparent
2
understandable
1
accessible
1
apparent
1
approachable
1
arrangement
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APASmart Define. (2015). abstruse thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/abstruse/thesaurus/antonyms
ChicagoSmart Define. 2015. "abstruse thesaurus" https://smartdefine.org/abstruse/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, abstruse thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/abstruse/thesaurus/antonyms>.
MLASmart Define. "abstruse thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/abstruse/thesaurus/antonyms>