86 entries under solid topic. ×

3
heavy(adjective, person, body, strong, sound)
3
stalwart(adjective, calm, person, body, strong)
3
steady(adjective, calm, strong, sound, secure)
2
enduring(adjective, calm, strong, sound, secure)
2
hearty(adjective, person, body, strong, sound)
2
heavy-duty(adjective, strong, sound, tough)
2
lasting(calm, strong, steady, substantial)
2
sinewy(adjective, strong, sound, tough)
2
unyielding(adjective, strong, sound, tough)
2
vigorous(adjective, strong, sound, tough)
2
well-founded(adjective, calm, strong, sound, secure)
1
abiding(calm, strong, steady, substantial)
1
able(adjective, strong, sound, tough)
1
active(adjective, strong, sound, tough)
1
anchored(calm, strong, steady, substantial)
1
balanced(calm, strong, steady, substantial)
1
brick-wall(calm, strong, steady, substantial)
1
brick wall(expression, adjective, calm, strong)
1
calm(strong, steady, substantial, even)
1
capable(adjective, strong, sound, tough)
11 years ago|4.3k views|share |citing 
APASmart Define. (2015). well-built thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/well-built/thesaurus/synonyms
ChicagoSmart Define. 2015. "well-built thesaurus" https://smartdefine.org/well-built/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, well-built thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/well-built/thesaurus/synonyms>.
MLASmart Define. "well-built thesaurus" 17 July 2015. Web. 24 September 2026. <https://smartdefine.org/well-built/thesaurus/synonyms>