Synonyms|1.2kAntonyms|411|Broader|17Narrower|20Related|1.6k

91 entries under obstinate topic. ×

3
immovable(adjective, set, strong, hard, tough)
3
immutable(hard, rigid, inflexible, stubborn)
3
indomitable(adjective, strong, hard, tough, resolute)
3
iron(adjective, hard, persistent, rigid)
3
merciless(adjective, hard, rough, harsh, cruel)
3
persistent(adjective, strong, certain, definite)
3
recalcitrant(adjective, persistent, stubborn, unbending)
3
rough(adjective, strong, hard, tough, severe)
3
staunch(adjective, close, set, strong, correct)
2
callous(adjective, hard, tough, severe, rough)
2
hell-bent(adjective, persistent, insistent, dogged)
2
implacable(adjective, set, strong, hard, tough)
2
intransigent(severe, stiff, inflexible, stubborn)
2
invincible(adjective, persistent, insistent, dogged)
2
steely(adjective, set, strong, hard, tough)
2
unconquerable(adjective, persistent, insistent, dogged)
2
unforgiving(adjective, hard, rough, harsh, cruel)
1
anal-retentive(adjective, persistent, insistent, dogged)
1
bloody-minded(adjective, persistent, insistent, dogged)
1
cantankerous(adjective, persistent, insistent, dogged)
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ChicagoSmart Define. 2015. "strict thesaurus" https://smartdefine.org/strict/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, strict thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/strict/thesaurus/synonyms>.
MLASmart Define. "strict thesaurus" 3 August 2015. Web. 27 September 2026. <https://smartdefine.org/strict/thesaurus/synonyms>