immaterial

adjective

1. 1

   not consisting of matter

   immaterial apparitions

   ghosts and other immaterial entities

2. 2

   without material form or substance

   an incorporeal spirit

3. 3

   (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

4. 4

   of no importance or relevance especially to a law case

   an objection that is immaterial after the fact

5. 5

   not pertinent to the matter under consideration

   an issue extraneous to the debate

   the price was immaterial