immaterial

英[ɪmə'tɪərɪəl] 美[,ɪmə'tɪrɪəl]

1. of no importance or relevance especially to a law case;

"an objection that is immaterial after the fact"

2. without material form or substance;

"an incorporeal spirit"

3. not consisting of matter;

"immaterial apparitions"

"ghosts and other immaterial entities"

4. 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"

5. (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"