85 entries under persistent topic. ×

1
ferocious(adjective, hard, rough, harsh, cruel)
1
fierce(adjective, hard, rough, harsh, cruel)
1
froward(adjective, obstinate, insistent, dogged)
1
go for broke(expression, adjective, idiom, harsh, cruel)
1
hang-tough(adjective, strong, hard, tough, harsh)
1
hang in(expression, adjective, harsh, cruel, determined)
1
insubordinate(adjective, obstinate, insistent, dogged)
1
insurgent(adjective, obstinate, insistent, dogged)
1
inveterate(adjective, obstinate, insistent, dogged)
1
mortal(adjective, harsh, cruel, determined, fierce)
1
mutinous(adjective, obstinate, insistent, dogged)
1
obsessive(adjective, obstinate, insistent, dogged)
1
refractory(adjective, obstinate, insistent, dogged)
1
stop at nothing(expression, adjective, idiom, harsh, cruel)
1
stouthearted(adjective, obstinate, insistent, dogged)
1
uncooperative(adjective, obstinate, insistent, dogged)
1
ungovernable(adjective, obstinate, insistent, dogged)
1
unmanageable(adjective, obstinate, insistent, dogged)
1
unregenerate(adjective, obstinate, insistent, dogged)
1
unruly(adjective, obstinate, insistent, dogged)
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APASmart Define. (2015). strict thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/strict/thesaurus/synonyms
ChicagoSmart Define. 2015. "strict thesaurus" https://smartdefine.org/strict/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, strict thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/strict/thesaurus/synonyms>.
MLASmart Define. "strict thesaurus" 3 August 2015. Web. 22 September 2026. <https://smartdefine.org/strict/thesaurus/synonyms>