185 entries under strong topic. ×

3
sinewy(adjective, sound, tough, solid)
3
true-blue(adjective, good, honest, solid)
3
virile
3
well-made(adjective, sound, tough, solid)
2
bound(adjective, close, flat, firm)
2
brawny
2
careful(good, solid, steady, consistent)
2
close(adjective, hard, firm, true)
2
compact(adjective, close, hard, firm)
2
conscientious(adjective, good, consistent, trustworthy)
2
heavy(adjective, hard, sound, tough)
2
honest(adjective, reasonable, solid, fair)
2
inflexible(adjective, secure, moderate, flat)
2
iron(adjective, solid, safe, sheltered)
2
mettlesome
2
physical(adjective, hard, solid, material)
2
rooted(adjective, hard, secure, solid)
2
tried(good, solid, true, reliable)
1
able(adjective, sound, tough, easy)
1
active(adjective, sound, tough, solid)
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APASmart Define. (2015). stable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/stable/thesaurus/synonyms
ChicagoSmart Define. 2015. "stable thesaurus" https://smartdefine.org/stable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, stable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/stable/thesaurus/synonyms>.
MLASmart Define. "stable thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/stable/thesaurus/synonyms>