Synonyms|476Antonyms|57|Broader|2Narrower|0Related|256

148 entries under persistent topic. ×

1
rigorous(adjective, harsh, cruel, determined, fierce)
1
set on(expression, adjective, serious, resolute)
1
settled(adjective, strong, flat, firm, certain)
1
stop at nothing(expression, adjective, idiom, harsh, energetic)
1
stouthearted(adjective, obstinate, insistent, dogged)
1
stringent(adjective, harsh, cruel, determined, fierce)
1
true-blue(adjective, resolute, dedicated, unwavering)
1
uncooperative(adjective, obstinate, insistent, dogged)
1
unforgiving(adjective, mean, severe, harsh, cruel)
1
ungovernable(adjective, obstinate, insistent, dogged)
1
unmovable(adjective, intense, certain, limited, definite)
1
unqualified(adjective, strong, flat, certain, determined)
1
unquestioning(adjective, set, firm, intense, resolute)
1
unregenerate(adjective, obstinate, insistent, dogged)
1
unruly(adjective, obstinate, insistent, dogged)
1
unsparing(adjective, mean, severe, harsh, cruel)
1
unstoppable(adjective, harsh, cruel, determined, fierce)
1
vindictive(adjective, harsh, cruel, determined, fierce)
1
wayward(adjective, obstinate, insistent, dogged)
1
wholehearted(adjective, set, firm, resolute)
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HarvardSmart Define 2015, unflinching thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unflinching/thesaurus/synonyms>.
MLASmart Define. "unflinching thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/unflinching/thesaurus/synonyms>