Synonyms|364Antonyms|17|Broader|0Narrower|0Related|205
1
intensive
1
intractable(hard, resolute, persistent, rigid, inflexible)
1
intransigent(right, uncompromising, conservative, fanatic, zealot)
1
invariable
1
inwrought
1
iron-fisted(adjective, severe, harsh, stiff, rigid)
1
ironclad(adjective, set, hard, severe, harsh)
1
irreversible
1
key(adjective, exemplary)
1
liege(adjective, faithful)
1
long-established
1
master(adjective, exemplary)
1
model(adjective, exemplary)
1
mortified(adjective, strong, hard, tough, severe)
1
mulish(adjective, strong, hard, tough, severe)
1
narrow-minded
1
never-failing
1
obdurate(adjective, set, strong, hard, tough)
1
obedient(adjective, close, correct, firm, honest)
1
obstinate(hard, resolute, rigid, inflexible, strict)
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HarvardSmart Define 2016, dyed-in-the-wool thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/dyed-in-the-wool/thesaurus/synonyms>.
MLASmart Define. "dyed-in-the-wool thesaurus" 29 March 2016. Web. 1 October 2026. <https://smartdefine.org/dyed-in-the-wool/thesaurus/synonyms>