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

60 entries under secure topic. ×

2
robust(adjective, strong, sound, tough)
2
settled(adjective, strong, flat, firm)
2
sound(adjective, strong, tough, fit)
1
anchored(adjective, strong, solid, steady)
1
attached(firm, true, fixed, constant)
1
fastened(adjective, strong, firm, solid)
1
immobile(strong, substantial, stable, rigid)
1
locked(adjective, strong, solid, steady)
1
nailed(adjective, strong, solid, steady)
1
rooted(strong, substantial, stable, rigid)
1
taut(strong, substantial, stable, unmoving)
1
tightened(strong, substantial, stable, unmoving)
1
unmoving(adjective, strong, substantial, stable)
1
well-founded(adjective, strong, sound, tough)
0
bolted(strong, substantial, stable, unmoving)
0
braced(strong, substantial, stable, unmoving)
0
cemented(strong, substantial, stable, unmoving)
0
closed(strong, substantial, stable, unmoving)
0
embedded(strong, substantial, stable, unmoving)
0
hitched(rigid, inflexible, stubborn, immovable)
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ChicagoSmart Define. 2015. "tenacious thesaurus" https://smartdefine.org/tenacious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, tenacious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/tenacious/thesaurus/synonyms>.
MLASmart Define. "tenacious thesaurus" 6 November 2015. Web. 22 September 2026. <https://smartdefine.org/tenacious/thesaurus/synonyms>