'Incessancy' definitions:

Definition of 'incessancy'

From: WordNet
noun
The quality of something that continues without end or interruption [syn: continuousness, ceaselessness, incessancy, incessantness]

Definition of 'Incessancy'

From: GCIDE
  • Incessancy \In*ces"san*cy\, n. [From Incessant.] The quality of being incessant; unintermitted continuance; unceasingness. --Dr. T. Dwight. [1913 Webster]

Synonyms of 'incessancy'

From: Moby Thesaurus