60 entries under definite topic. ×

6
self-explanatory(adjective, clear, plain, certain)
6
sure(adjective, clear, plain, certain)
5
well-defined(adjective, clear, sharp, distinct)
4
certain(adjective, clear, plain, certain)
4
decided(adjective, clear, plain, certain, straightforward)
4
lucid(adjective, clear, simple, sharp, plain)
4
positive(adjective, clear, plain, certain)
4
undoubted(adjective, sound, certain, true)
2
clean-cut(clear, plain, obvious, well-defined)
2
open and shut(expression, adjective, idiom, clear, sound)
2
sharp(adjective, clear, simple, distinct)
2
trenchant(clear, sensitive, well-defined, observable)
2
univocal(plain, certain, straightforward, obvious)
1
actual(sound, certain, true, unquestionable)
1
audible(adjective, clear, simple, sharp)
1
categorical(clear, plain, absolute, obvious)
1
for certain(certain, absolute, obvious, distinctive)
1
no catch(expression, adjective, plain, straightforward)
1
no ifs ands or buts(expression, adjective, idiom, plain, straightforward)
1
real(sound, certain, true, absolute)
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APASmart Define. (2016). patent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/patent/thesaurus/synonyms
ChicagoSmart Define. 2016. "patent thesaurus" https://smartdefine.org/patent/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, patent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/patent/thesaurus/synonyms>.
MLASmart Define. "patent thesaurus" 31 March 2016. Web. 27 September 2026. <https://smartdefine.org/patent/thesaurus/synonyms>