69 entries under solid topic. ×

1
reinforced(adjective, strong, sound, tough)
1
rugged(strong, sound, fit, heavy)
1
safe and sound(expression, adjective, idiom, strong)
1
solid as a rock(expression, adjective, idiom, strong)
1
stark(adjective, strong, sound, tough)
1
strapping(adjective, strong, hard, sound, tough)
1
well-built(adjective, strong, sound, tough)
1
well-founded(adjective, strong, sound, secure, tough)
1
well-made(adjective, strong, sound, tough)
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APASmart Define. (2015). tenacious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/tenacious/thesaurus/synonyms
ChicagoSmart Define. 2015. "tenacious thesaurus" https://smartdefine.org/tenacious/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, tenacious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/tenacious/thesaurus/synonyms>.
MLASmart Define. "tenacious thesaurus" 6 November 2015. Web. 21 September 2026. <https://smartdefine.org/tenacious/thesaurus/synonyms>