120 entries under clear topic. ×

1
tame(adjective, sound, pure, healthy)
1
thorough(adjective, complete, flat, total)
1
thoroughgoing(adjective, complete, flat, total)
1
uncompromising(adjective, definite, fixed, rigid)
1
uninjurious(adjective, sound, pure, healthy)
1
unpolluted(adjective, sound, pure, healthy)
1
unshaken(adjective, set, firm, solid)
1
wholesome(adjective, pure, healthy, safe)
0
clean-cut(adjective, plain, exact, definite)
0
cold(sure, absolute, indisputable, incontestable)
0
for a fact(expression, idiom, definite, sure)
0
forcible(energetic, sure, insistent, unequivocal)
0
frank(adjective, plain, true, real)
0
free from doubt(expression, idiom, definite, unquestionable)
0
harmless(adjective, pure, healthy, safe)
0
innocuous(adjective, pure, healthy, safe)
0
on the nose(expression, idiom, plain, obvious)
0
outspoken(plain, obvious)
0
tangible(material, substantial, real, genuine)
0
understandable(adjective, plain, obvious, unequivocal)
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APASmart Define. (2016). certain thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/certain/thesaurus/synonyms
ChicagoSmart Define. 2016. "certain thesaurus" https://smartdefine.org/certain/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, certain thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/certain/thesaurus/synonyms>.
MLASmart Define. "certain thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/certain/thesaurus/synonyms>