Main entry: immaterial, nonmaterial
Definition: not consisting of matter
Usage: immaterial apparitions; ghosts and other immaterial entities
Main entry: immaterial, incorporeal
Definition: without material form or substance
Usage: an incorporeal spirit
Main entry: immaterial, indifferent
Definition: (often followed by `to') lacking importance; not mattering one way or the other
Usage: 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
Main entry: immaterial
Definition: of no importance or relevance especially to a law case
Usage: an objection that is immaterial after the fact
Main entry: orthogonal, extraneous, immaterial, impertinent
Definition: not pertinent to the matter under consideration
Usage: an issue extraneous to the debate; the price was immaterial; mentioned several impertinent facts before finally coming to the point