Synonyms|66Antonyms|0|Broader|0Narrower|0Related|3
3
firm(adjective, hard, tough, severe, rough)
3
hard-line(adjective, hard, tough, severe, rough)
3
stern(adjective, hard, tough, severe, rough)
3
strict(adjective, hard, tough, severe, rough)
1
anal-retentive(adjective, persistent, obstinate, insistent, dogged)
1
bloody-minded(adjective, persistent, obstinate, insistent, dogged)
1
callous(adjective, hard, tough, severe, rough)
1
cantankerous(adjective, persistent, obstinate, insistent, dogged)
1
confirmed(adjective, persistent, obstinate, insistent, dogged)
1
contrary(adjective, persistent, obstinate, insistent, dogged)
1
contumacious(adjective, persistent, obstinate, insistent, dogged)
1
cussed(adjective, persistent, obstinate, insistent, dogged)
1
defiant(adjective, persistent, obstinate, insistent, dogged)
1
demanding(adjective, persistent, obstinate, insistent, dogged)
1
determined(adjective, persistent, obstinate, insistent, dogged)
1
disobedient(adjective, persistent, obstinate, insistent, dogged)
1
exacting(adjective, persistent, obstinate, insistent, dogged)
1
froward(adjective, persistent, obstinate, insistent, dogged)
1
hard-nosed(adjective, hard, tough, severe, rough)
1
hard-shell(adjective, persistent, obstinate, insistent, dogged)
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APASmart Define. (2011). hard-shelled thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/hard-shelled/thesaurus/synonyms
ChicagoSmart Define. 2011. "hard-shelled thesaurus" https://smartdefine.org/hard-shelled/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2011, hard-shelled thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/hard-shelled/thesaurus/synonyms>.
MLASmart Define. "hard-shelled thesaurus" 24 May 2011. Web. 21 September 2026. <https://smartdefine.org/hard-shelled/thesaurus/synonyms>