immutable
adjective
[ ɪˈmjuːtəb(ə)l ]
• unchanging over time or unable to be changed.
• "an immutable fact"
Similar:
unchangeable,
fixed,
set,
rigid,
inflexible,
unyielding,
unbending,
permanent,
entrenched,
established,
well established,
unshakeable,
irremovable,
indelible,
ineradicable,
unchanging,
unchanged,
changeless,
unvarying,
unvaried,
undeviating,
static,
constant,
lasting,
abiding,
enduring,
persistent,
perpetual,
Origin:
late Middle English: from Latin immutabilis, from in- ‘not’ + mutabilis (see mutable).
