Synonyms|777Antonyms|138|Broader|12Narrower|7Related|206

70 entries under secure topic. ×

2
fastened(adjective, strong, firm, solid)
2
locked in(expression, adjective, wild, determined)
2
taut(adjective, strong, substantial, stable)
1
attached(adjective, firm, true, fixed)
1
closed(strong, substantial, stable, unmoving)
1
dead set on(expression, adjective, idiom, determined)
1
located(firm, solid, stiff, rigid)
1
locked(adjective, strong, solid, steady)
1
nailed(adjective, strong, solid, steady)
1
robust(adjective, strong, hard, tough)
1
situated(firm, solid, stiff, rigid)
1
sound(adjective, strong, firm, solid)
1
unfluctuating(adjective, strong, firm, solid)
0
bolted(strong, substantial, stable, unmoving)
0
braced(strong, substantial, stable, unmoving)
0
cemented(strong, substantial, stable, unmoving)
0
embedded(strong, substantial, stable, unmoving)
0
hitched(rigid, inflexible, stubborn, static)
0
hooked(rigid, inflexible, stubborn, static)
0
made fast(expression, rigid, inflexible, stubborn)
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ChicagoSmart Define. 2015. "immovable thesaurus" https://smartdefine.org/immovable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, immovable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/immovable/thesaurus/synonyms>.
MLASmart Define. "immovable thesaurus" 3 August 2015. Web. 21 September 2026. <https://smartdefine.org/immovable/thesaurus/synonyms>