外出中です

is out

→ 外出
phrase Rare #32,193
is out A polite way to say that someone is currently away from home or the office. 外出 means “going out,” and 中 indicates that the action or state is ongoing.
JA: 母は今、外出中です。
EN: My mother is out right now.

あいにくですが、彼は外出中です

I'm afraid he's out at the moment.

でも今は外出中です

But I'm out right now.

— M - Eine Stadt sucht einen Mörder (1931)

社長は外出中です

The president is out of the office.

社長はただいま外出中です

The company president is currently out of the office.

— オープン・ユア・アイズ (1997)

彼女は今外出中です

She is out right now.