irrelevance
🇺🇸
/ɪˈreləvəns/
🇬🇧
/ɪˈreləvəns/
The quality of being unrelated or unimportant to the matter at hand.
The discussion of his vacation was an irrelevance during the business meeting.
An irrelevant matter or detail.
The teacher dismissed the student's comment as an irrelevance.