Synonyms|119Antonyms|38|Broader|0Narrower|0Related|84

36 entries under rigid topic. ×

4
set(adjective, hard, stiff, resolute)
4
strict(adjective, hard, inflexible, obstinate)
2
unbending(adjective, hard, inflexible, strict)
2
unchangeable(adjective, set, hard, certain, stiff)
1
dogged(adjective, set, hard, stiff)
1
fixed(adjective, set, hard, certain, stiff)
1
hard(resolute, inflexible, strict, obstinate)
1
immutable(adjective, set, hard, stiff)
1
intractable(adjective, set, hard, stiff)
1
iron(adjective, set, hard, stiff)
1
obstinate(adjective, set, hard, stiff)
1
single-minded(adjective, set, hard, stiff)
1
staunch(adjective, set, hard, stiff)
1
steadfast(adjective, set, hard, stiff)
1
steely(adjective, set, hard, stiff)
1
stringent(adjective, set, hard, stiff)
1
unadaptable(adjective, set, hard, stiff)
1
uncompliant(adjective, set, hard, stiff)
1
uncompromising(adjective, set, hard, stiff)
1
unswayable(adjective, set, hard, stiff)
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APASmart Define. (2015). hard-and-fast thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hard-and-fast/thesaurus/synonyms
ChicagoSmart Define. 2015. "hard-and-fast thesaurus" https://smartdefine.org/hard-and-fast/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, hard-and-fast thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hard-and-fast/thesaurus/synonyms>.
MLASmart Define. "hard-and-fast thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/hard-and-fast/thesaurus/synonyms>