Synonyms|125Antonyms|7|Broader|0Narrower|0Related|1

71 entries under firm topic. ×

1
mechanical(adjective, hard, solid, tense)
1
numbed(adjective, hard, solid, tense)
1
obstinate(adjective, tough, fixed, rigid)
1
ossified(adjective, hard, solid, tense)
1
petrified(adjective, hard, solid, tense)
1
refractory(adjective, hard, solid, tense)
1
reserved(adjective, tough, fixed, distant)
1
resistant(adjective, hard, solid, tense)
1
resolute(adjective, tough, fixed, distant)
1
rheumatic(adjective, hard, solid, stiff)
1
set(adjective, hard, solid, stiff)
1
set in stone(expression, adjective, idiom, tough)
1
single-minded(adjective, tough, fixed, distant)
1
solid(adjective, hard, stiff, tense)
1
solidified(adjective, hard, solid, tense)
1
standing pat(expression, adjective, tough, distant)
1
starched(adjective, hard, solid, stiff)
1
starchy(adjective, hard, solid, tense)
1
stark(adjective, hard, solid, tense)
1
stony(adjective, hard, solid, stiff)
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ChicagoSmart Define. 2015. "unflexible thesaurus" https://smartdefine.org/unflexible/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unflexible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unflexible/thesaurus/synonyms>.
MLASmart Define. "unflexible thesaurus" 9 December 2015. Web. 29 September 2026. <https://smartdefine.org/unflexible/thesaurus/synonyms>