796 entries under adjective topic. ×

14
compact(close, set, hard, tough)
14
safe(calm, good, strong, complete)
14
steadfast(calm, good, strong, secure)
14
sure(calm, good, strong, tough)
13
hearty(person, body, strong, sound)
13
physical(hard, intense, material, substantial)
13
trustworthy(good, strong, sound, right)
13
valid(good, clear, sound, correct)
12
fixed(set, strong, hard, sound)
12
rugged(set, strong, sound, tough)
12
satisfying(clear, pleasant, reasonable, fair)
12
stalwart(calm, person, body, strong)
12
tangible(intense, physical, material, substantial)
12
undivided(complete, simple, total, whole)
12
well-founded(calm, good, strong, sound)
12
whole(verb, sound, complete, clean)
11
heavy(characteristic, person, set, body)
11
actual(correct, exact, physical, material)
11
close(set, hard, tough, correct)
11
durable(calm, strong, sound, tough)
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APASmart Define. (2016). solid thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/solid/thesaurus/synonyms
ChicagoSmart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, solid thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/solid/thesaurus/synonyms>.
MLASmart Define. "solid thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/solid/thesaurus/synonyms>