Synonyms|86Antonyms|25|Broader|0Narrower|0Related|196

37 entries under hard topic. ×

2
unchangeable(adjective, set, stiff, rigid)
2
unyielding(adjective, set, stiff, rigid)
1
dyed-in-the-wool(adjective, resolute, rigid, inflexible)
1
hard-and-fast(adjective, set, stiff, rigid)
1
implacable(adjective, resolute, rigid, inflexible)
1
indomitable(adjective, resolute, rigid, inflexible)
1
iron(adjective, set, stiff, rigid)
1
relentless(adjective, resolute, rigid, inflexible)
1
single-minded(adjective, set, stiff, rigid)
1
staunch(adjective, set, stiff, rigid)
1
steadfast(adjective, set, stiff, rigid)
1
steely(adjective, set, stiff, rigid)
1
stringent(adjective, set, stiff, rigid)
1
unrelenting(adjective, resolute, rigid, inflexible)
1
unswayable(adjective, set, stiff, rigid)
0
inexorable(adjective, resolute, rigid, inflexible)
0
strict(adjective, rigid, inflexible, obstinate)
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APASmart Define. (2016). unadaptable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unadaptable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unadaptable thesaurus" https://smartdefine.org/unadaptable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, unadaptable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unadaptable/thesaurus/synonyms>.
MLASmart Define. "unadaptable thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/unadaptable/thesaurus/synonyms>