460 entries under adjective topic. ×

6
harsh(mean, hard, severe, rough)
6
immutable(set, strong, hard, severe)
6
insubordinate(negative, hostile, inflexible, adverse)
6
mutinous
6
single-minded(tough, firm, intense, deliberate)
6
strict(hard, tough, moderate, severe)
6
unfaltering(firm, intense, deliberate, determined)
6
unswerving
5
adverse(cross, negative, hostile, different)
5
biased(passionate, violent, fervent, rigid)
5
bold(tenacious, defiant)
5
bovine(determined, resolute, uncompromising, unshakeable)
5
brass-bound(determined, resolute, uncompromising, unshakeable)
5
cantankerous(mean, difficult, determined, irritable)
5
contradictory(determined, negative, hostile, fixed)
5
decisive(determined, usual, regular, serious)
5
definite(firm, determined, usual, unreasonable)
5
diligent
5
hearty
5
hostile(negative, different, sullen, adverse)
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APASmart Define. (2015). obstinate thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/obstinate/thesaurus/synonyms
ChicagoSmart Define. 2015. "obstinate thesaurus" https://smartdefine.org/obstinate/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, obstinate thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/obstinate/thesaurus/synonyms>.
MLASmart Define. "obstinate thesaurus" 3 August 2015. Web. 27 September 2026. <https://smartdefine.org/obstinate/thesaurus/synonyms>