140 entries under tough topic. ×

1
unyielding(adjective, strong, sound, solid)
1
useful(energetic, effective, running, working)
1
valuable(energetic, effective, adept, effectual)
1
virtuous(energetic, effective, adept, effectual)
1
well-built(adjective, strong, sound, solid)
1
well-founded(adjective, strong, sound, solid)
1
well-made(adjective, strong, sound, solid)
1
well-organized(energetic, effective, adept, effectual)
0
adapted(energetic, effective, adept, effectual)
0
all right(expression, strong, fit, lively)
0
fitted(effective, adept, effectual, well-organized)
0
healthful(strong, fit, lively, fresh)
0
husky(strong, fit, fresh, well)
0
in the pink(expression, strong, fit, fresh)
0
physically fit(expression, strong, fit, fresh)
0
practiced(effective, adept, effectual, well-organized)
0
qualified(effective, adept, effectual, well-organized)
0
trim(strong, fit, lively, fresh)
0
unimpaired(strong, fit, lively, fresh)
0
whole(strong, fit, lively, fresh)
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APASmart Define. (2016). active thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/active/thesaurus/synonyms
ChicagoSmart Define. 2016. "active thesaurus" https://smartdefine.org/active/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, active thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/active/thesaurus/synonyms>.
MLASmart Define. "active thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/active/thesaurus/synonyms>