Synonyms|330Antonyms|5|Broader|3Narrower|0Related|149
3
set(adjective, hard, severe, usual, stiff)
3
strict(adjective, set, hard, severe, harsh)
3
unwavering(adjective, fixed, rigid)
2
agreed(adjective, firm, determined, usual, regular)
2
armed cap-a-pie(expression, idiom, defense)
2
confirmed(adjective, firm, determined, usual, regular)
2
dead set on(expression, adjective, idiom, severe, energetic)
2
fixed(adjective, set, hard, firm, determined)
2
immovable(adjective, set, hard, cruel, usual)
2
incontestable(adjective, set, certain, unquestionable, indisputable)
2
indefatigable(adjective, untiring)
2
iron
2
obstinate(adjective, set, hard, cruel, determined)
2
panoplied
2
relentless
2
settled(adjective, firm, determined, usual, regular)
2
severe
2
stated(adjective, firm, determined, usual, regular)
2
stern
2
stringent(adjective, rigid, tight)
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ChicagoSmart Define. 2015. "ironclad thesaurus" https://smartdefine.org/ironclad/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, ironclad thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/ironclad/thesaurus/synonyms>.
MLASmart Define. "ironclad thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/ironclad/thesaurus/synonyms>