'Immaterial' definitions:

Definition of 'immaterial'

From: WordNet
adjective
Of no importance or relevance especially to a law case; "an objection that is immaterial after the fact" [ant: material]
adjective
Without material form or substance; "an incorporeal spirit" [syn: incorporeal, immaterial] [ant: corporeal, material]
adjective
Not consisting of matter; "immaterial apparitions"; "ghosts and other immaterial entities" [syn: immaterial, nonmaterial] [ant: material]
adjective
Not pertinent to the matter under consideration; "an issue extraneous to the debate"; "the price was immaterial"; "mentioned several impertinent facts before finally coming to the point" [syn: extraneous, immaterial, impertinent, orthogonal]
adjective
(often followed by `to') lacking importance; not mattering one way or the other; "whether you choose to do it or not is a matter that is quite immaterial (or indifferent)"; "what others think is altogether indifferent to him" [syn: immaterial, indifferent]

Definition of 'Immaterial'

From: GCIDE
  • Immaterial \Im`ma*te"ri*al\ ([i^]m`m[.a]*t[=e]"r[i^]*al), a. [Pref. im- not + material: cf. F. immat['e]riel.]
  • 1. Not consisting of matter; incorporeal; spiritual; disembodied. [1913 Webster]
  • Angels are spirits immaterial and intellectual. --Hooker. [1913 Webster]
  • 2. Of no substantial consequence; without weight or significance; unimportant; as, it is wholly immaterial whether he does so or not.
  • Syn: Unimportant; inconsequential; insignificant; inconsiderable; trifling. [1913 Webster]