inalterable
[in-awl-ter-uh-buhl]
/ ɪnˈɔl tər ə bəl /
ADJECTIVE
inflexible
Synonyms
STRONG
WEAK
adamant
adamantine
determined
dogged
dyed-in-the-wool
firm
fixed
hard
hard-and-fast
immovable
immutable
implacable
indomitable
inexorable
intractable
invariable
iron
ironclad
obdurate
obstinate
relentless
resolute
rigid
rigorous
set
set in one's ways
single-minded
stand one's ground
staunch
steadfast
steely
stiff
strict
stringent
unadaptable
unbending
unchangeable
uncompliant
uncompromising
unrelenting
unswayable
unyielding
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.