Synonyms|489Antonyms|42|Broader|2Narrower|0Related|227

312 entries under adjective topic. ×

1
going all the way
1
hard-as-nails(serious, resolute, persistent, unwavering)
1
hardboiled(serious, resolute, persistent, unwavering)
1
icy(bold, unconcerned, brave, steadfast)
1
in the bag(expression, idiom, certain, limited)
1
incessant(strong, firm, determined, steady)
1
inexorable(intense, resolute, persistent, rigid)
1
intense(firm, solid, deliberate, determined)
1
invariant
1
inveterate(certain, limited, definite, inflexible)
1
level(certain, limited, definite, inflexible)
1
limited(certain, definite, inflexible, restricted)
1
mean business(expression, intense, deliberate, determined)
1
meaning business
1
mulish
1
narrow(certain, limited, definite, inflexible)
1
not discouraged(expression, bold, unconcerned, brave)
1
not put off(expression, idiom, bold, brave)
1
on ice(expression, serious, resolute, persistent)
1
pat(firm, solid, steady, serious)
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ChicagoSmart Define. 2015. "unfaltering thesaurus" https://smartdefine.org/unfaltering/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unfaltering thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unfaltering/thesaurus/synonyms>.
MLASmart Define. "unfaltering thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/unfaltering/thesaurus/synonyms>