immutable

[ih-myoo-tuh-buh l] /ɪˈmyu tə bəl/
adjective
1.
not mutable; unchangeable; changeless.
Origin
1375-1425; late Middle English < Latin immūtābilis. See im-2, mutable
Related forms
immutability, immutableness, noun
immutably, adverb
Examples from the web for immutable
  • Scientists once believed that long-term memories were immutable.
  • Physics is an exacting science, bound by immutable laws that are true throughout our universe.
  • The outer sphere of fixed stars was retained and held to be immutable.
  • More and more of life dripped down beneath him, reduced by the immutable laws and relaxed habits of the animal kingdom.
  • It was part of the air he breathed, the ether through which he moved, the single immutable element in his life.
  • Bush entirely subscribed to his parents' and grandparents' view of absolute and immutable values, of privilege balanced by duty.
British Dictionary definitions for immutable

immutable

/ɪˈmjuːtəbəl/
adjective
1.
unchanging through time; unalterable; ageless: immutable laws
Derived Forms
immutability, immutableness, noun
immutably, adverb
Word Origin and History for immutable
adj.

early 15c., from Old French immutable and directly from Latin immutabilis "unchangeable," from assimilated form of in- "not, opposite of" (see in- (1)) + mutabilis "changeable," from mutare "to change" (see mutable). Related: Immutably.