10
set(adjective, calm, strong, hard, secure)
10
sober(adjective, reasonable, firm, sensible, fair)
10
true(adjective, good, strong, sound, smooth)
10
unwavering(adjective, calm, strong, secure, firm)
10
unyielding(adjective, set, strong, hard, sound)
10
well-built(adjective, calm, person, body, strong)
10
worthy(adjective, good, great, excellent, perfect)
9
cogent(adjective, good, clear, sound, reasonable)
9
complete(adjective, complete, excellent, total, perfect)
9
consolidated(adjective, state, close, set, hard)
9
constant(verb, adjective, calm, good, strong)
9
continuous(verb, adjective, sound, smooth, level)
9
entire(adjective, sound, complete, vigorous, whole)
9
hefty(adjective, person, body, strong, hard)
9
honest(adjective, strong, open, reasonable, physical)
9
intact(verb, adjective, sound, complete, simple)
9
palpable(adjective, physical, material, substantial, actual)
9
sensible(adjective, reasonable, firm, honest, physical)
9
square(noun, adjective, smooth, correct, honest)
9
thickset(adjective, person, body, informal, big)
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APASmart Define. (2016). solid thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/solid/thesaurus/synonyms
ChicagoSmart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, solid thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/solid/thesaurus/synonyms>.
MLASmart Define. "solid thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/solid/thesaurus/synonyms>