入らないで

don't enter, please don't go in, without entering, without going in

→ 入る
入ら to enter; go inside + ない Negative + で Conjunctive marker
verb · informal Rare #36,405
don't enter, please don't go in A request or instruction not to enter.
JA: ここには入らないで。
EN: Please don't go in here.
without entering, without going in Used with another action to say that someone does that action without entering.
JA: 部屋に入らないで待っていて。
EN: Wait without going into the room.
Conjugation of 入る

昨夜は泥酔してお風呂に入らないで寝ちゃった。

I got completely drunk last night and went to bed without taking a bath.

勝手に入らないで。

Don't come in without permission.

「芝生に入らないで下さい」という標識があった。

There was a sign that said, “Please keep off the grass.”

指導中は入らないで!

Do not enter while instruction is in progress!

— パラサイト 半地下の家族 (2019)

勝手に部屋に入らないでくれ

Please don't come into my room without permission.

— オープン・ユア・アイズ (1997)