Synonyms|1.1kAntonyms|270|Broader|17Narrower|0Related|1.6k

107 entries under strict topic. ×

4
rough(adjective, person, strong, hard, tough)
4
unfeeling(adjective, mean, hard, tough, severe)
3
hard-and-fast(adjective, hard, obstinate, stubborn)
3
intense(adjective, severe, harsh, cruel, resolute)
3
settled(adjective, strong, flat, firm, certain)
3
strong(adjective, set, hard, tough, flat)
3
sure(adjective, strong, tough, flat, firm)
2
acrimonious(adjective, severe, harsh, stiff, rigid)
2
astringent(adjective, strong, hard, tough, severe)
2
bound(adjective, strong, tough, flat, firm)
2
dead set on(expression, adjective, idiom, strong, secure)
2
dictatorial(adjective, hateful, rigid, stern)
2
enduring(adjective, strong, flat, firm, certain)
2
irrevocable(set, expected, predictable, necessary)
2
rugged(adjective, set, strong, hard, tough)
1
abiding(adjective, strong, flat, certain, determined)
1
biased(hateful, rigid, stern, impatient)
1
binding(adjective, set, severe, certain, stiff)
1
bitter(adjective, set, strong, hard, tough)
1
by the book(expression, adjective, idiom, strong, hard)
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ChicagoSmart Define. 2016. "inflexible thesaurus" https://smartdefine.org/inflexible/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, inflexible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/inflexible/thesaurus/synonyms>.
MLASmart Define. "inflexible thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/inflexible/thesaurus/synonyms>