42 entries under solid topic. ×

1
mighty(adjective, strong, sound, tough)
1
muscular(adjective, strong, sound, tough)
1
powerful(adjective, strong, sound, tough)
1
robust(adjective, strong, sound, tough)
1
secure(adjective, strong, sound, tough)
1
sinewy(adjective, strong, sound, tough)
1
sound(adjective, strong, tough, heavy)
1
stable(adjective, strong, sound, tough)
1
stalwart(adjective, strong, sound, tough)
1
stark(adjective, strong, sound, tough)
1
staunch(adjective, strong, sound, tough)
1
steady(adjective, strong, sound, tough)
1
stout(adjective, strong, sound, tough)
1
strapping(adjective, strong, sound, tough)
1
substantial(adjective, strong, sound, tough)
1
tenacious(adjective, strong, sound, tough)
1
unyielding(adjective, strong, sound, tough)
1
vigorous(adjective, strong, sound, tough)
1
well-built(adjective, strong, sound, tough)
1
well-founded(adjective, strong, sound, tough)
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APASmart Define. (2015). reinforced thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/reinforced/thesaurus/synonyms
ChicagoSmart Define. 2015. "reinforced thesaurus" https://smartdefine.org/reinforced/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, reinforced thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/reinforced/thesaurus/synonyms>.
MLASmart Define. "reinforced thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/reinforced/thesaurus/synonyms>