144 entries under solid topic. ×

14
unerring(adjective, correct, firm, perfect)
13
decisive(adjective, good, clear, strong, firm)
13
indubitable(adjective, clear, flat, firm, total)
13
set(verb, adjective, clear, strong, direct)
13
sharp(noun, adjective, clear, correct, pleasant)
13
strict(adjective, strong, hard, correct, severe)
12
pronounced(adjective, clear, simple, sharp, bright)
12
settled(adjective, strong, easy, flat, firm)
12
strong(adjective, good, easy, flat, bright)
11
true(noun, adjective, good, strong, correct)
10
conclusive(adjective, clear, strong, correct, easy)
10
correct(noun, adjective, clear, hard, severe)
10
irrefutable(adjective, clear, correct, firm)
10
resolute(adjective, strong, easy, flat, firm)
9
confident(adjective, clear, strong, easy, firm)
8
proper(adjective, hard, separate, correct, severe)
8
rigid(adjective, hard, correct, severe, rough)
8
steadfast(adjective, good, strong, complete, easy)
7
careful(noun, adjective, good, strong, correct)
7
concrete(adjective, clear, correct, exact)
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APASmart Define. (2016). definite thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/definite/thesaurus/synonyms
ChicagoSmart Define. 2016. "definite thesaurus" https://smartdefine.org/definite/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, definite thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/definite/thesaurus/synonyms>.
MLASmart Define. "definite thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/definite/thesaurus/synonyms>