78 entries under plain topic. ×

12
straightforward(adjective, clear, simple, easy, sharp)
11
glaring(adjective, clear, obvious, evident)
11
observable(adjective, clear, see, unusual)
11
tangible(adjective, clear, sensible, sensitive)
10
unambiguous(adjective, clear, simple, sharp)
10
unquestionable(adjective, simple, sharp, certain)
9
indisputable(adjective, clear, certain, definite)
8
self-evident
8
undisguised(adjective, clear, easy, honest)
7
marked(adjective, clear, obvious, manifest)
7
understandable(adjective, clear, simple, sharp)
6
express(verb, adjective, clear, simple, sharp)
6
self-explanatory(adjective, clear, certain, definite)
6
sure(adjective, clear, certain, definite)
5
accessible(adjective, clear, open, free)
5
direct(adjective, clear, straightforward, obvious)
4
absolute(adjective, clear, certain, straightforward)
4
certain(adjective, clear, certain, definite)
4
decided(adjective, clear, certain, straightforward)
4
exact(adjective, clear, obvious)
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APASmart Define. (2016). patent thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/patent/thesaurus/synonyms
ChicagoSmart Define. 2016. "patent thesaurus" https://smartdefine.org/patent/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, patent thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/patent/thesaurus/synonyms>.
MLASmart Define. "patent thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/patent/thesaurus/synonyms>