70 entries under tough topic. ×

1
reserved(adjective, firm, sensible, solid)
1
self-willed(adjective, firm, unreasonable, grim)
1
standing pat(expression, adjective, firm, distant)
1
stiff-necked(firm, determined, unreasonable, grim)
1
unflexible(adjective, firm, fixed, distant)
1
unreasonable(firm, grim, persistent, inflexible)
1
unswayable(adjective, set, firm, distant)
1
untoward(firm, unreasonable, grim, persistent)
1
uptight(adjective, firm, fixed, distant)
1
willful(adjective, firm, unreasonable, grim)
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APASmart Define. (2015). single-minded thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/single-minded/thesaurus/synonyms
ChicagoSmart Define. 2015. "single-minded thesaurus" https://smartdefine.org/single-minded/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, single-minded thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/single-minded/thesaurus/synonyms>.
MLASmart Define. "single-minded thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/single-minded/thesaurus/synonyms>