To go out; to leave home or a building for an outing or errand.
これから買い物に出かけるので、夕食は遅くなります。
I'm going out shopping now, so dinner will be late.
週末は家族と公園へ出かける予定だ。
I plan to go to the park with my family this weekend.
寒いからコートを着て出かけなさい。
It's cold, so put on a coat before you go out.
彼はよく仕事帰りに友達と出かける。
He often goes out with friends after work.
To be on the point of leaving; to be just about to go out.
今ちょうど出かけるところだから、後で電話するね。
I'm just about to leave now, so I'll call you later.
彼は出かける直前に玄関で鍵を探していた。
He was looking for his keys at the entrance just before leaving.
ちょっと出かけるところだから、邪魔しないでください。
I'm about to go out, so please don't disturb me.