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Not to be altered; immutable: the unchangeable seasons.

un·change′a·bil′i·ty, un·change′a·ble·ness n.
un·change′a·bly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.unchangeability - the quality of being unchangeableunchangeability - the quality of being unchangeable; having a marked tendency to remain unchanged
quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare
absoluteness - the quality of being absolute; "the absoluteness of the pope's decree could not be challenged"
constancy, stability - the quality of being enduring and free from change or variation; "early mariners relied on the constancy of the trade winds"
innateness - the quality of being innate
irreversibility - the quality of being irreversible (once done it cannot be changed)
invariableness, invariance, invariability - the quality of being resistant to variation
unalterability, fixedness - the quality of being fixed and unchangeable; "the fixedness of his gaze upset her"
unexchangeability - the quality of being incapable of exchange or interchange
immutability, immutableness, fixity - the quality of being incapable of mutation; "Darwin challenged the fixity of species"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Blockchain has unique features - openness, unchangeability, and decentralization - but it does not integrate certain practical processes that are usually associated with real-life transactions.
We all know when the world is much too painful, that one can return to this old, old house and find a measure of unchangeability.
Indeed, by the 1820s, the very word stereotype had come to connote unchangeability, regularity, and repeatability (Ewen and Ewen 2006, 4).
Strauss seems ready to recognize the importance of considering historical circumstances and to reassess his earlier assertion of the unchangeability of natural right, but this apparent opening to historicist considerations is tentative and transitory.
(61) The 'unchangeability' of the drone and perfect tuning ensure that the unison of sounds cancels out the note--the 'A'.
Clinton's unchangeability, however, is the source of her uniqueness as a candidate: She's a fixed point.
Given God's unity, unchangeability, immovability, and indestructibility, he is also most stable.
The more dependable types of structural unchangeability for proper names seem to be characteristic to classes of proper names.
We did this with everyone apparently assuming the inexhaustibility of the "natural resources" and unchangeability of the "natural world" on which this way of life depends.
(12.) "This God of the philosophers, whose eternity and unchangeability had excluded any relation with the changeable and transitory, now appeared to the eye of faith as the God of men, who is not only thought of all thoughts, the eternal mathematics of the universe, but also agape, the power of creative love." Ratzinger, Introduction to Christianity (San Francisco: Ignatius Press, 1990), 99.
They are animals." One may say that Clifford's insistence on the "unchangeability of the masses" as in "the masses were always, and will always be the same," or on the synonymous terms "unchangeable" and "unalterable," reveal not only his almost primitive and retrograde mentality, but also his "crippled" personality.