Synonyms|862Antonyms|116|Broader|10Narrower|8Related|256

206 entries under strong topic. ×

1
heavy-duty(adjective, sound, tough, solid)
1
hefty(fit, solid, determined, vigorous)
1
heroic(tough, bold, resolute, spirited)
1
high-spirited(tough, bold, resolute, spirited)
1
immobile(secure, substantial, stable, rigid)
1
impavid(tough, bold, resolute, spirited)
1
in fine feather(expression, adjective, idiom, sound)
1
incessant(adjective, firm, determined, steady)
1
inexhaustible(adjective, firm, determined, steady)
1
lionhearted(tough, bold, resolute, spirited)
1
locked(adjective, secure, solid, steady)
1
martial(tough, bold, resolute, spirited)
1
meaning business(adjective, unyielding)
1
mighty(adjective, hard, sound, tough)
1
muscular(adjective, sound, tough, fit)
1
nailed(adjective, secure, solid, steady)
1
possessive(adjective, unyielding)
1
reinforced(adjective, sound, tough, solid)
1
rooted(secure, substantial, stable, rigid)
1
rugged(sound, fit, solid, heavy)
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ChicagoSmart Define. 2015. "tenacious thesaurus" https://smartdefine.org/tenacious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, tenacious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/tenacious/thesaurus/synonyms>.
MLASmart Define. "tenacious thesaurus" 6 November 2015. Web. 25 September 2026. <https://smartdefine.org/tenacious/thesaurus/synonyms>