203 entries under solid topic. ×

28
reasonable(adjective, calm, good, quiet, hard)
26
healthy(adjective, health, good, clear, strong)
25
hale(adjective, health, good, strong, complete)
24
safe(adjective, calm, good, clear, strong)
24
valid(adjective, good, clear, direct, correct)
21
dependable(adjective, good, clear, strong, tough)
21
reliable(adjective, calm, good, clear, strong)
19
sturdy(adjective, calm, strong, hard, complete)
18
hearty(adjective, health, good, strong, complete)
16
intact(verb, adjective, good, bad, great)
16
vigorous(adjective, health, strong, complete, tough)
16
whole(verb, adjective, health, good, bad)
15
secure(adjective, calm, good, clear, strong)
15
trustworthy(adjective, good, clear, strong, simple)
13
hardy(adjective, health, strong, tough, fit)
13
honest(adjective, strong, fair, physical)
13
normal(adjective, good, strong, tough, correct)
13
perfect(verb, adjective, good, bad, great)
13
undamaged(adjective, good, bad, great, complete)
13
unhurt(adjective, good, bad, great, complete)
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APASmart Define. (2016). sound thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sound/thesaurus/synonyms
ChicagoSmart Define. 2016. "sound thesaurus" https://smartdefine.org/sound/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, sound thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sound/thesaurus/synonyms>.
MLASmart Define. "sound thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/sound/thesaurus/synonyms>