'Decadency' definitions:
Definition of 'decadency'
From: WordNet
noun
The state of being degenerate in mental or moral qualities [syn: degeneracy, degeneration, decadence, decadency]
Definition of 'Decadency'
From: GCIDE
- Decadence \De*ca"dence\, Decadency \De*ca"den*cy\, n. [LL. decadentia; L. de- + cadere to fall: cf. F. d['e]cadence. See Decay.] A falling away; decay; deterioration; declension. "The old castle, where the family lived in their decadence." --Sir W. Scott. [1913 Webster]