Synonyms|1.2kAntonyms|128|Broader|10Narrower|8Related|394

118 entries under solid topic. ×

1
heavy-duty(adjective, strong, sound, tough)
1
immovable(adjective, firm, determined, steady)
1
imperturbable(adjective, calm, quiet, cool, gentle)
1
in fine feather(expression, adjective, idiom, strong, sound)
1
liege(adjective, firm, true, fast)
1
mighty(adjective, strong, sound, tough, fit)
1
muscular(adjective, strong, sound, tough, fit)
1
nailed(calm, strong, steady, substantial)
1
poised(adjective, calm, strong, secure, firm)
1
powerful(adjective, strong, sound, tough, fit)
1
regular(adjective, firm, steady, stable)
1
reinforced(adjective, strong, sound, tough)
1
safe(adjective, calm, strong, secure, firm)
1
sedate(adjective, firm, stable, fixed)
1
self-possessed(adjective, calm, quiet, gentle, firm)
1
serene(adjective, calm, quiet, gentle, firm)
1
set in stone(expression, adjective, idiom, calm, strong)
1
sinewy(adjective, strong, sound, tough, fit)
1
sober(adjective, calm, cool, firm)
1
solid as a rock(expression, adjective, idiom, calm, strong)
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APASmart Define. (2016). enduring thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/enduring/thesaurus/synonyms
ChicagoSmart Define. 2016. "enduring thesaurus" https://smartdefine.org/enduring/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, enduring thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/enduring/thesaurus/synonyms>.
MLASmart Define. "enduring thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/enduring/thesaurus/synonyms>