18
fixed(adjective, set, clear, strong, complete)
18
categorical(adjective, clear, complete, flat, total)
18
rigorous(noun, adjective, hard, correct, severe)
17
firm(noun, adjective, good, clear, strong)
17
obvious(adjective, clear, simple, sharp, bright)
17
unquestionable(adjective, clear, correct, sharp, flat)
16
accurate(adjective, set, clear, hard, direct)
16
assured(adjective, clear, strong, easy, firm)
16
indisputable(adjective, clear, certain, true, precise)
15
defined(adjective, correct, plain, solid, exact)
15
unqualified(adjective, clear, strong, complete, flat)
14
undeniable(adjective, clear, complete, correct, firm)
14
unerring(adjective, correct, firm, solid, perfect)
13
decisive(adjective, good, clear, strong, firm)
13
direct(adjective, set, clear, complete, total)
13
downright(noun, adjective, clear, complete, correct)
13
incontrovertible(adjective, clear, sharp, certain, precise)
13
indubitable(adjective, clear, flat, firm, total)
13
set(verb, adjective, clear, strong, direct)
13
sharp(noun, adjective, clear, correct, pleasant)
10 years ago|30k views|share |citing 
APASmart Define. (2016). definite thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/definite/thesaurus/synonyms
ChicagoSmart Define. 2016. "definite thesaurus" https://smartdefine.org/definite/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, definite thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/definite/thesaurus/synonyms>.
MLASmart Define. "definite thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/definite/thesaurus/synonyms>