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

147 entries under determined topic. ×

1
hefty(strong, fit, solid, vigorous)
1
incessant(adjective, strong, firm, steady)
1
inexhaustible(adjective, strong, firm, steady)
1
mean business(expression, adjective, intense, deliberate)
1
perpetual(adjective, steady, resolute, persistent)
1
playing hard ball(expression, idiom, intense, deliberate)
1
positive(adjective, intense, deliberate, resolute)
1
purposive(adjective, intense, deliberate, resolute)
1
set in stone(adjective, resolute, obstinate, uncompromising)
1
standing pat(adjective, resolute, obstinate, uncompromising)
1
tough nut(expression, obstinate, stubborn, unwavering)
1
unafraid(strong, tough, vigorous, bold)
1
unalterable(adjective, strong, definite, fixed)
1
unceasing(adjective, strong, firm, steady)
1
undeterred(adjective, strong, firm, steady)
1
unstinted(adjective, strong, firm, steady)
1
unswayable(adjective, resolute, obstinate, uncompromising)
1
valorous(strong, tough, vigorous, bold)
1
wrong-headed(fixed, obstinate, stubborn, arrogant)
0
be out for blood(intense, deliberate, resolute, focused)
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ChicagoSmart Define. 2015. "tenacious thesaurus" https://smartdefine.org/tenacious/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, tenacious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/tenacious/thesaurus/synonyms>.
MLASmart Define. "tenacious thesaurus" 6 November 2015. Web. 24 September 2026. <https://smartdefine.org/tenacious/thesaurus/synonyms>