Synonyms|1.1kAntonyms|177|Broader|12Narrower|18Related|469

167 entries under persistent topic. ×

3
equable(adjective, calm, strong, secure, firm)
3
intense(adjective, clear, tough, severe, keen)
3
recalcitrant(adjective, tough, firm, obstinate)
3
strong-minded(adjective, firm, determined, fixed, serious)
3
tried-and-true(adjective, good, strong, honest, solid)
3
unending(adjective, continuous, endless, relentless)
2
bent(adjective, strong, flat, intense, certain)
2
bloody-minded(adjective, obstinate, insistent, dogged)
2
cantankerous(tough, firm, obstinate, stubborn)
2
chronic(adjective, continuous, endless, relentless)
2
continual(adjective, dull, certain, determined, steady)
2
cussed(tough, firm, obstinate, stubborn)
2
demanding(adjective, obstinate, insistent, dogged)
2
even(adjective, calm, strong, secure, firm)
2
froward(adjective, obstinate, insistent, dogged)
2
hard-line(adjective, firm, obstinate, insistent)
2
homogeneous(adjective, dull, steady, stable, regular)
2
insubordinate(tough, firm, obstinate, stubborn)
2
of a piece(expression, adjective, idiom, steady, stable)
2
serious(adjective, strong, firm, total, sensible)
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ChicagoSmart Define. 2016. "steadfast thesaurus" https://smartdefine.org/steadfast/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, steadfast thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/steadfast/thesaurus/synonyms>.
MLASmart Define. "steadfast thesaurus" 11 March 2016. Web. 20 September 2026. <https://smartdefine.org/steadfast/thesaurus/synonyms>