Irrelevant (adjective)

1. Not relevant or applicable to a particular matter or situation.
2. Not having any significant or important relationship or connection with something.

Origin:

From latin irrelevant-, stem of irrelevans, from in- + relevare 'to support, carry back'.

Examples:

1. The fact that he was late to the meeting was irrelevant to the discussion.
2. His previous criminal record was considered irrelevant to the job application.
3. The irrelevant information only served to confuse the issue.
4. The irrelevant comments were not appreciated by the audience.
5. The irrelevant details of the story were quickly forgotten.