irrelevant
US /ɪˈrel.ə.vənt/
UK /ɪˈrel.ə.vənt/

1.
hors de propos, non pertinent
not connected with or relevant to something
:
•
That point is completely irrelevant to the discussion.
Ce point est complètement hors de propos pour la discussion.
•
His opinion is irrelevant to my decision.
Son opinion est sans importance pour ma décision.