Synonyms|187Antonyms|2|Broader|2Narrower|0Related|38
1
earthy
1
endless(adjective, persistent, constant, pitiless, unyielding)
1
fanatic
1
hanging tough(expression, adjective, persistent, constant, pitiless)
1
hard
1
hardheaded
1
headstrong
1
hoaxproof
1
incessant(adjective, persistent, constant, pitiless, unyielding)
1
inflexible
1
intransigent(adjective, persistent, constant, pitiless, unyielding)
1
iron-fisted(adjective, persistent, constant, pitiless, unyielding)
1
merciless(adjective, persistent, constant, pitiless, unyielding)
1
mulish
1
not born yesterday(expression, idiom)
1
overzealous
1
perpetual(adjective, persistent, constant, pitiless, unyielding)
1
persevering
1
persistent(adjective, constant, pitiless, unyielding, endless)
1
pertinacious
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APASmart Define. (2015). hard-headed thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hard-headed/thesaurus/synonyms
ChicagoSmart Define. 2015. "hard-headed thesaurus" https://smartdefine.org/hard-headed/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, hard-headed thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hard-headed/thesaurus/synonyms>.
MLASmart Define. "hard-headed thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/hard-headed/thesaurus/synonyms>