Also found in: Thesaurus, Legal.


Not lasting or durable; not permanent.

im·per′ma·nence, im·per′ma·nen·cy n.
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
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.
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.
No doubt the suspicion of even potential impermanency would be damaging to the very concept of interstate compacts.
Ceramics operate within a conceptual constancy that is possibly confusing to some, particularly given the contemporary world of impermanency, fleetingness, throw away, instantaneous gratification, entertainment and consumerism that is found in art and everywhere else.
Her skilful observations of how people deal (or don't deal) with the uncertainty and impermanency of life are by turns amusing and touching.