Synonyms|45Antonyms|21|Broader|0Narrower|0Related|38
0
hard-and-fast
0
hardheaded
0
harsh
0
headstrong
0
heady
0
impenetrable
0
relentless
0
rigid
0
rigorous
0
rugged
0
severe
0
stern
0
stiff
0
strenuous
0
stringent
0
strong
0
tough
0
uncompromising
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APASmart Define. (2013). nonflexible thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/nonflexible/thesaurus/related
ChicagoSmart Define. 2013. "nonflexible thesaurus" https://smartdefine.org/nonflexible/thesaurus/related (accessed September 27, 2026).
HarvardSmart Define 2013, nonflexible thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/nonflexible/thesaurus/related>.
MLASmart Define. "nonflexible thesaurus" 19 May 2013. Web. 27 September 2026. <https://smartdefine.org/nonflexible/thesaurus/related>