To overlook or let something pass (by not noticing or by intentionally ignoring); to miss seeing something.
重要なミスを見過ごしてしまい、報告書を差し戻された。
I overlooked an important mistake and the report was sent back.
電車の発車を見過ごして乗り遅れた。
I missed the train because I overlooked its departure.
彼の小さな失礼を見過ごすのが大人の対応だと思う。
I think the mature response is to overlook his small rudeness.
病気の初期症状を見過ごすと危険だ。
It's dangerous to overlook the early symptoms of an illness.