As adjectives the difference between steadfast and unalterable
is that steadfast is fixed or unchanging; steady while unalterable is incapable of changing or being altered.
steadfast
English
Alternative forms
* stedfast (obsolete)
Adjective
(en-adj)
Fixed or unchanging; steady.
Firmly loyal or constant; unswerving.
Derived terms
* steadfastly
* steadfastness
unalterable
English
Adjective
(
en adjective)
incapable of changing or being altered
irrevocable or irreversible
Synonyms
* inalterable
Antonyms
* alterable
Derived terms
* unalterably
Anagrams
*