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

119 entries under firm topic. ×

2
balanced(adjective, solid, stable, fixed)
2
confirmed(adjective, determined, usual, regular)
2
definite(adjective, determined, usual, regular)
2
dependable(adjective, solid, stable, fixed)
2
fastened(adjective, strong, secure, solid)
2
hard-core(adjective, strong, hard, tough)
2
serene(adjective, calm, cool, solid)
2
single-minded(adjective, solid, intense, cruel)
2
sturdy(adjective, strong, hard, tough)
2
unflappable(adjective, calm, cool, usual)
2
unvarying(adjective, set, solid, still)
2
wedged(true, fixed, constant, steadfast)
1
ardent(adjective, solid, intense, true)
1
attached(adjective, secure, true, fixed)
1
certain(adjective, solid, determined, usual)
1
decided(adjective, determined, usual, regular)
1
decisive(adjective, determined, usual, regular)
1
enduring(adjective, solid, determined, steady)
1
entrenched(adjective, solid, determined, usual)
1
fortified(adjective, strong, solid, true)
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ChicagoSmart Define. 2015. "immovable thesaurus" https://smartdefine.org/immovable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, immovable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/immovable/thesaurus/synonyms>.
MLASmart Define. "immovable thesaurus" 3 August 2015. Web. 24 September 2026. <https://smartdefine.org/immovable/thesaurus/synonyms>