im·mu·ta·ble

[ih-myoo-tuh-buhl]
adjective
not mutable; unchangeable; changeless.

Origin:
1375–1425; late Middle English < Latin immūtābilis. See im-2, mutable

im·mu·ta·bil·i·ty, im·mu·ta·ble·ness, noun
im·mu·ta·bly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
immutable (ɪˈmjuːtəbəl) [Click for IPA pronunciation guide]
 
adj
unchanging through time; unalterable; ageless: immutable laws
 
immuta'bility
 
n
 
im'mutableness
 
n
 
im'mutably
 
adv

00:10
Immutability is always a great word to know.
So is zedonk. Does it mean:
the offspring of a zebra and a donkey.
a stew of meat, vegetables, potatoes, etc.
immutable (ɪˈmjuːtəbəl) [Click for IPA pronunciation guide]
 
adj
unchanging through time; unalterable; ageless: immutable laws
 
immuta'bility
 
n
 
im'mutableness
 
n
 
im'mutably
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

immutable
1412, from O.Fr. immutable, from L. immutabilis "unchangeable," from in- "not" + mutabilis "changeable," from mutare "to change" (see mutable).
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Apart from synchronization, immutability can provide thread safety.
It had something to do with the immutability of fate.
Accidental incidents can have endless effects, and behind everything is the immutability of the human heart.
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