Synonyms|983Antonyms|176|Broader|18Narrower|14Related|983

108 entries under stiff topic. ×

5
rugged(adjective, strong, hard, sound, tough)
4
rocklike(adjective, hard, firm, compact)
4
rocky(adjective, firm, difficult, rigid)
4
tense(adjective, hard, firm, solid)
3
compact(adjective, close, set, hard, tough)
3
compressed(adjective, set, hard, tough, firm)
3
definite(adjective, strong, severe, flat, firm)
3
stringent(adjective, harsh, cruel, determined, fierce)
3
taut(adjective, hard, rough, firm, harsh)
3
unbreakable(adjective, strong, hard, tough, severe)
3
vigorous(adjective, strong, hard, sound, tough)
2
bound(adjective, strong, tough, flat, firm)
2
close(adjective, set, strong, hard, tough)
2
concentrated(adjective, set, hard, tough, firm)
2
frozen(adjective, hard, firm, solid)
2
hard and fast(expression, adjective, idiom, firm, solid)
2
hardy(adjective, strong, hard, sound, tough)
2
hearty(adjective, strong, sound, tough, solid)
2
indurated(adjective, firm, rigid, hardness)
2
secure(adjective, close, strong, hard, sound)
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ChicagoSmart Define. 2016. "unyielding thesaurus" https://smartdefine.org/unyielding/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unyielding thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unyielding/thesaurus/synonyms>.
MLASmart Define. "unyielding thesaurus" 10 March 2016. Web. 29 September 2026. <https://smartdefine.org/unyielding/thesaurus/synonyms>