634 entries under adjective topic. ×

3
persevering(strong, flat, determined, definite)
3
potent(strong, sound, tough, firm)
3
real(physical, material, genuine, actual)
3
resolved(strong, flat, determined, thoughtful)
3
serene(calm, quiet, smooth, soft)
3
silent(calm, quiet, smooth, tranquil)
3
sinewy(strong, sound, tough, solid)
3
single-minded(firm, solid, fixed, resolute)
3
steady-going(continue, firm, solid, steady)
3
straight(calm, direct, smooth, right)
3
symmetrical(sensible, rational, even, reliable)
3
together(calm, sound, reasonable, firm)
3
true-blue(good, strong, honest, solid)
3
unending(regular, persistent, constant, continuous)
3
unflagging
3
unmovable(calm, quiet, still, fixed)
3
virile
3
well-made(strong, sound, tough, solid)
2
alike(calm, direct, smooth, right)
2
arranged
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APASmart Define. (2015). stable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/stable/thesaurus/synonyms
ChicagoSmart Define. 2015. "stable thesaurus" https://smartdefine.org/stable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, stable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/stable/thesaurus/synonyms>.
MLASmart Define. "stable thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/stable/thesaurus/synonyms>