51 entries under persistent topic. ×

2
ungovernable(difficult, awkward, obstinate, stubborn)
2
unmanageable(difficult, awkward, obstinate, stubborn)
2
unruly(difficult, awkward, obstinate, stubborn)
2
wayward(difficult, awkward, obstinate, stubborn)
1
anal-retentive(adjective, obstinate, insistent, dogged)
1
bloody-minded(adjective, obstinate, insistent, dogged)
1
confirmed(adjective, obstinate, insistent, dogged)
1
contumacious(adjective, obstinate, insistent, dogged)
1
cussed(adjective, obstinate, insistent, dogged)
1
defiant(adjective, obstinate, insistent, dogged)
1
demanding(adjective, obstinate, insistent, dogged)
1
determined(adjective, obstinate, insistent, dogged)
1
disobedient(adjective, obstinate, insistent, dogged)
1
froward(adjective, obstinate, insistent, dogged)
1
hell-bent(adjective, obstinate, insistent, dogged)
1
hidebound(adjective, obstinate, insistent, dogged)
1
insubordinate(adjective, obstinate, insistent, dogged)
1
insurgent(adjective, obstinate, insistent, dogged)
1
inveterate(adjective, obstinate, insistent, dogged)
1
invincible(adjective, obstinate, insistent, dogged)
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APASmart Define. (2015). hard-line thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hard-line/thesaurus/synonyms
ChicagoSmart Define. 2015. "hard-line thesaurus" https://smartdefine.org/hard-line/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, hard-line thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hard-line/thesaurus/synonyms>.
MLASmart Define. "hard-line thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/hard-line/thesaurus/synonyms>