(으)ㄴ 데다가 [Intermediate Grammar]

 -(으)ㄴ 데다가

→ A pronominal stem of a verb or an adjective '-(으)ㄴ/는' is a form of combining an incomplete noun '' 데" indicating a case or a task' with an auxiliary'에다가' indicating addition. It means adding another condition or an action to a certain condition or an action.

Example: 

1. 원래 키가 큰 데다가 높은 구두를 신으니까 키가 더 커 보여요.
Being tall yourself and putting on high heels makes you even taller.

2. 눈이 온 데다가 갑자기 기온이 떨어져서 굉장히 미끄러워요.
    It's a snowy day, and what's worse, the temperature goes down, and it is very slippery.

3. 회의 준비를 제대로 하지 않은 데다가 진행도 엉망이었어요.
    You didn't prepare for the meeting properly, and what's worse, running the meeting was
quite chaotic.

4. 비가 오는 데다가 바람까지 불어요.

    It rained and the wind blew.

5. 원래 몸이 약한 데다가 과로해서 그런 것 같아요.

    I think her body is weak and he works overtime.