Search Result for "impermanency": 
Wordnet 3.0

NOUN (1)

1. the property of not existing for indefinitely long durations;
[syn: impermanence, impermanency]



The Collaborative International Dictionary of English v.0.48:

Impermanence \Im*per"ma*nence\, Impermanency \Im*per"ma*nen*cy\,
   n.
   Lack of permanence.
   [1913 Webster]


WordNet (r) 3.0 (2006):

impermanency
    n 1: the property of not existing for indefinitely long
         durations [syn: impermanence, impermanency] [ant:
         permanence, permanency]