irrelevant

adjective4

1. •
   Not relevant.

   • His comments were completely irrelevant to the discussion.
   • We need to focus on the main topic and ignore irrelevant details.
2. •
   Not at all related: totally unrelated, wholly unconnected, completely inapplicable.
3. •
   Not usefully related: not associated in any way that is important or useful to the context being discussed: not materially applicable; having connections not applicable in the present situation.
4. •
   (slang, disapproving) No longer famous or popular; washed up.