'Immateriality' definitions:

Definition of 'immateriality'

From: WordNet
noun
Complete irrelevance requiring no further consideration [ant: materiality]
noun
The quality of not being physical; not consisting of matter [syn: immateriality, incorporeality] [ant: corporality, corporeality, materiality, physicalness]

Definition of 'Immateriality'

From: GCIDE
  • Immateriality \Im`ma*te`ri*al"i*ty\, n.; pl. Immaterialities. [Cf. F. immat['e]rialit['e].] The state or quality of being immaterial or incorporeal; as, the immateriality of the soul. [1913 Webster]

Synonyms of 'immateriality'

From: Moby Thesaurus