9
uniform(adjective, calm, strong, simple, firm)
9
upstanding(adjective, pure, real, genuine, reliable)
9
vigorous(adjective, strong, sound, complete, tough)
8
authentic(adjective, good, sound, correct, right)
8
burly(adjective, strong, tough, fit, firm)
8
certain(adjective, good, strong, sound, correct)
8
coherent(adjective, simple, whole, united, density)
8
cohesive(adjective, simple, whole, dense, united)
8
condensed(adjective, set, hard, tough, heavy)
8
consistent(adjective, firm, certain, common, steady)
8
faithful(adjective, good, strong, correct, reasonable)
8
great(adjective, good, person, body, cool)
8
hardy(adjective, person, body, strong, sound)
8
inflexible(adjective, strong, hard, secure, smooth)
8
integral(adjective, complete, simple, whole, united)
8
monolithic(adjective, simple, whole, united, massive)
8
packed(adjective, close, set, strong, hard)
8
rocky(adjective, set, strong, hard, firm)
8
stocky(adjective, person, body, strong, hard)
8
thorough(adjective, sound, complete, total, perfect)
10 years ago|51k views|share |citing 
APASmart Define. (2016). solid thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/solid/thesaurus/synonyms
ChicagoSmart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, solid thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/solid/thesaurus/synonyms>.
MLASmart Define. "solid thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/solid/thesaurus/synonyms>