Immutable
ahd-5
adjective.
Not subject or susceptible to change.
The Century Dictionary and Cyclopedia
Not mutable; not capable or susceptible of change; not subject to mutation; unchangeable; invariable; unalterable.
In
zoology
, not subject to variation in different individuals of a species; permanent: as,
immutable
characters or marks
the GNU version of the Collaborative International Dictionary of English
adjective.
Not mutable; not capable or susceptible of change; unchangeable; unalterable.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
Unable to be
changed
without exception.
adjective.
Not able to be altered in the
memory
after its value is set initially, such as a
constant
.
noun.
Something that cannot be
changed
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
not subject or susceptible to change or variation in form or quality or nature
Word Usage
"Even space, seemingly immutable, is able to be truncated by circumstance."