Synonyms|417Antonyms|83|Broader|2Narrower|0Related|191

217 entries under adjective topic. ×

2
even(calm, strong, secure, firm)
2
incurable
2
ineluctable(expected, predictable, necessary, inexorable)
2
inescapable(expected, predictable, necessary, inexorable)
2
severe(stern, uncompromising)
2
staunch(calm, strong, hard, solid)
2
steely(set, hard, stiff, inflexible)
2
unrelenting(close, set, severe, harsh)
2
unremitting(persistent, continuous, endless, relentless)
2
unshaken(strong, certain, definite, resolved)
2
unvaried
1
arbitrary(hard, severe, rough, harsh)
1
connected(dull, steady, stable, regular)
1
continual(dull, steady, stable, regular)
1
desperate(hard, severe, rough, harsh)
1
destined(definite, absolute, obvious, expected)
1
drastic(hard, severe, rough, harsh)
1
endless(persistent, continuous, relentless, continual)
1
fated(certain, determined, definite, distinct)
1
fateful(certain, even, expected, predictable)
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APASmart Define. (2015). unalterable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unalterable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unalterable thesaurus" https://smartdefine.org/unalterable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unalterable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unalterable/thesaurus/synonyms>.
MLASmart Define. "unalterable thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/unalterable/thesaurus/synonyms>