233 entries under solid topic. ×

16
decided(adjective, firm, certain, determined)
16
harden(verb, form, support, close, develop)
16
rooted(verb, adjective, strong, hard, secure)
14
certain(adjective, clear, firm, exact)
14
tenacious(adjective, strong, secure, flat, firm)
14
unwavering(adjective, calm, strong, secure, flat)
13
solid(adjective, state, calm, strong, hard)
13
steady(verb, adjective, calm, fix, strong)
12
confirmed(adjective, certain, proper, usual)
11
constant(adjective, calm, strong, secure, flat)
11
definite(adjective, clear, strong, direct, slight)
11
hardened(verb, adjective, hard, tough, firm)
11
set in stone(expression, adjective, idiom, calm, strong)
9
cake(noun, verb, close, fix, settle)
9
dogged(adjective, strong, hard, tough, firm)
9
fast(adjective, calm, strong, secure, tough)
9
hard(adjective, mean, strong, tough, severe)
9
secure(verb, adjective, calm, fix, strong)
9
unchanging(adjective, severe, firm, harsh)
8
concrete(verb, adjective, close, strong, hard)
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APASmart Define. (2016). set thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/set/thesaurus/synonyms
ChicagoSmart Define. 2016. "set thesaurus" https://smartdefine.org/set/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, set thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/set/thesaurus/synonyms>.
MLASmart Define. "set thesaurus" 1 March 2016. Web. 20 September 2026. <https://smartdefine.org/set/thesaurus/synonyms>