[adjective] of no importance or relevance especially to a law case; "an objection that is immaterial after the fact"
[adjective] without material form or substance; "an incorporeal spirit" Synonyms:incorporeal
[adjective] not consisting of matter; "immaterial apparitions"; "ghosts and other immaterial entities" Synonyms:nonmaterial
[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" Synonyms:extraneous, 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" Synonyms:indifferent