Synonyms|185Antonyms|1|Broader|0Narrower|0Related|1

52 entries under fixed topic. ×

1
inflexible(adjective, severe, firm, steady)
1
intractable(adjective, tough, firm, difficult, determined)
1
intransigent(adjective, severe, stiff, impassive)
1
mulish(adjective, tough, difficult, wild, determined)
1
opinionated(adjective, determined, stubborn, partisan)
1
pertinacious(adjective, tough, difficult, wild, determined)
1
recalcitrant(adjective, tough, difficult, wild, awkward)
1
reserved(adjective, tough, firm, distant)
1
resolved(adjective, firm, determined, usual, regular)
1
rooted(adjective, secure, determined, usual, steady)
1
set(adjective, secure, severe, harsh, usual)
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steadfast(adjective, secure, determined, usual, steady)
1
strong-minded(adjective, determined, impulsive, stubborn)
1
tenacious(adjective, tough, difficult, wild, awkward)
1
tough(adjective, hard, sharp, firm)
1
tough nut(expression, adjective, impassive, inflexible)
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unalterable(adjective, severe, stiff, impassive)
1
unmanageable(adjective, tough, difficult, wild, awkward)
1
unswayable(adjective, tough, firm, distant)
1
uptight(adjective, tough, firm, distant)
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ChicagoSmart Define. 2013. "locked in thesaurus" https://smartdefine.org/locked_in/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2013, locked in thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/locked_in/thesaurus/synonyms>.
MLASmart Define. "locked in thesaurus" 18 May 2013. Web. 26 September 2026. <https://smartdefine.org/locked_in/thesaurus/synonyms>