Synonyms|231Antonyms|1|Broader|0Narrower|0Related|38
1
uncooperative(adjective, persistent, obstinate, insistent, dogged)
1
unflinching(adjective, persistent, obstinate, insistent, dogged)
1
unmanageable(adjective, persistent, obstinate, insistent, dogged)
1
unregenerate(adjective, persistent, obstinate, insistent, dogged)
1
unrelenting(adjective, strong, hard, tough, severe)
1
unsparing(adjective, strong, hard, tough, severe)
1
unyielding(adjective, strong, hard, tough, severe)
1
wayward(adjective, persistent, obstinate, insistent, dogged)
1
wrongheaded(adjective, persistent, obstinate, insistent, dogged)
0
absolute
0
abusive(adjective, severe, sharp, nasty, bleak)
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acrid(adjective, severe, bleak, stark, austere)
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adamantine(adjective, strong, hard, tough, sturdy)
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arbitrary
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arrogant
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asperous(adjective, severe, bleak, stark, austere)
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bleak(adjective, severe, stark, austere, inhospitable)
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brutal(adjective, severe, bleak, stark, austere)
0
cacophonous(adjective, severe, bleak, stark, austere)
0
caterwauling(adjective, severe, bleak, stark, austere)
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APASmart Define. (2013). hard-shell thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/hard-shell/thesaurus/synonyms
ChicagoSmart Define. 2013. "hard-shell thesaurus" https://smartdefine.org/hard-shell/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, hard-shell thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/hard-shell/thesaurus/synonyms>.
MLASmart Define. "hard-shell thesaurus" 17 June 2013. Web. 20 September 2026. <https://smartdefine.org/hard-shell/thesaurus/synonyms>