Synonyms|623Antonyms|91|Broader|55Narrower|33Related|470

81 entries under firm topic. ×

2
rebellious(adjective, tough, unreasonable, grim)
2
sturdy(adjective, strong, hard, tough)
2
unmanageable(adjective, tough, unreasonable, grim)
2
unmovable(adjective, intense, resolute, persistent)
2
unshaken(adjective, strong, flat, cold)
1
stand pat(expression, adjective, strong, secure, flat)
1
assertive(adjective, persistent, inflexible, positive)
1
balky(adjective, tough, unreasonable, grim)
1
bold(adjective, strong, determined, serious)
1
changeless(adjective, severe, harsh, solid)
1
cussed(tough, unreasonable, grim, inflexible)
1
fast(adjective, strong, secure, tough)
1
ornery(tough, unreasonable, grim, inflexible)
1
sure(adjective, strong, tough, flat)
1
true(adjective, strong, tough, flat)
1
unreasonable(tough, grim, inflexible, obstinate)
1
untoward(tough, unreasonable, grim, inflexible)
0
faithful(adjective, strong, determined, bold)
0
loyal(adjective, strong, determined, bold)
0
militant(adjective, stiff, unyielding)
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ChicagoSmart Define. 2016. "adamant thesaurus" https://smartdefine.org/adamant/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, adamant thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/adamant/thesaurus/synonyms>.
MLASmart Define. "adamant thesaurus" 23 March 2016. Web. 30 September 2026. <https://smartdefine.org/adamant/thesaurus/synonyms>