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

69 entries under solid topic. ×

2
sound(adjective, strong, secure, tough, fit)
1
able(adjective, strong, sound, tough, fit)
1
adjusted(adjective, strong, stable, sure)
1
anchored(adjective, strong, secure, steady)
1
athletic(adjective, strong, sound, tough, fit)
1
big(adjective, strong, sound, tough)
1
buttoned down(expression, adjective, strong, stable)
1
capable(adjective, strong, sound, tough, fit)
1
fastened(adjective, strong, secure, firm)
1
forcible(adjective, strong, sound, tough)
1
fortified(adjective, strong, firm, true)
1
hard as nails(expression, adjective, idiom, strong, sound)
1
healthy(adjective, strong, hard, sound, tough)
1
heavy-duty(adjective, strong, sound, tough)
1
hefty(strong, fit, determined, vigorous)
1
in fine feather(expression, adjective, idiom, strong, sound)
1
locked(adjective, strong, secure, steady)
1
mighty(adjective, strong, hard, sound, tough)
1
muscular(adjective, strong, sound, tough, fit)
1
nailed(adjective, strong, secure, steady)
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ChicagoSmart Define. 2015. "tenacious thesaurus" https://smartdefine.org/tenacious/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, tenacious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/tenacious/thesaurus/synonyms>.
MLASmart Define. "tenacious thesaurus" 6 November 2015. Web. 21 September 2026. <https://smartdefine.org/tenacious/thesaurus/synonyms>