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Not lasting or durable; not permanent.

im·per′ma·nence, im·per′ma·nen·cy n.
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.impermanency - the property of not existing for indefinitely long durations
length, duration - continuance in time; "the ceremony was of short duration"; "he complained about the length of time required"
temporariness - the property of lasting only a short time
transience, transiency, transitoriness - an impermanence that suggests the inevitability of ending or dying
mortality - the quality or state of being mortal
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
It was not devotion to an outdoor life, but the frequentation of foreign cafes which was responsible for that habit, investing with a character of unceremonious impermanency Mr Verloc's steady fidelity to his own fireside.
indicates impermanency", setting it apart from exile, which
But this also carries with it an impermanency that is hard to transcend.
These researches reveal longevity, not impermanency, and receptivity to the quantitative paradigm as against the once-whispered charge that centered African psychology is "too theory-heavy." As each study was derived from the theory-derived steady state approach to psychological research with ADP (Azibo, 1988/1996c), which is in keeping with the cultural science perspective (Semaj, 1996), with the self-conscious intent of using the quantitative paradigm as it has come to ADP under Eurasian domination for liberation in line with the teaching of Carruthers (1996) in particular, and consistent with younger scholars like McDougal (2014), the hope is ardent that the reader has found it worthy of her or his attention.
The relative impermanency of these workers and its implication for working-class consciousness have shaped much of the historiography of twentieth-century African labour and what James Ferguson has called 'expectations of modernity' (Mamdani 1996; Ferguson 1990; Macmillan 1993; Werbner 2014; Cooper 1996: 273; 1983: 15-18).
"The entire country was sorrow stricken when he fell ill because he was loved and respected by everybody, but proving the impermanency of life he passed away."
There is another link between Isaiah and Mark today--and that is on the question of permanency and impermanency. Isaiah speaks of people fading like leaves and being blown away by iniquities, as by the wind.
No doubt the suspicion of even potential impermanency would be damaging to the very concept of interstate compacts." (1)