Godan verb with 'u' ending, Intransitive verb
to pass (by) each other; to brush past
通りですれ違った時私をわざと無視した。He deliberately ignored me when I passed him in the street. to miss (meeting) each other; to fail to meet
to be at odds; to clash; to be in conflict
Also written 擦れ違う【すれちがう】