Learn Hardcore Korean: raunjiga jobeun dedaga hwangido jal an dwaeyo. - The members' lounge is cramped, and on top of that, it is poorly ventilated.

Breakdown of raunjiga jobeun dedaga hwangido jal an dwaeyo.

What does -은 데다가 mean in 좁은 데다가?

-은/는 데다가 means something like on top of that, besides that, or to make matters worse.

So 좁은 데다가 connects one negative point to another:

It is often used when listing reasons or problems, especially when the second point adds to the first one.

Why is it 좁은 데다가 and not 좁다 데다가?

Because 데다가 attaches to a modifier form of the adjective, not the dictionary form.

For descriptive verbs/adjectives like 좁다, you change them into an attributive form:

So:

This is the normal pattern:

For action verbs, you usually use -는 데다가 instead.

Why does the sentence use 라운지가 instead of 라운지는?