무서워서

because (I’m/it’s) scared, because (I’m/it’s) scary

→ 무섭다
adjective Uncommon #8,793
because (I’m/it’s) scared, because (I’m/it’s) scary The -아서 ending connects the adjective to a following result or explanation.
KO: 무서워서 불을 켰어요.
EN: I turned on the light because I was scared.
Forms of 무섭다

무서워서!

Because I'm scared!

— 엠 (1931)

뭐가 무서워서 말을 안 했어?

What were you afraid of that kept you from saying anything?

— My Name Is Loh Kiwan (2024)

그녀는 무서워서 떨고 있었다.

She was shaking with fear.

무서워서 그런 거 아니야

It's not because I'm scared.

— 부고니아 (2025)

약해 보이는 게 무서워서.

Because I'm afraid of looking weak.

— 주토피아 2 (2025)

무서워서 눈을 감았어요.

I closed my eyes because I was scared.

무서워서 이거, 어떻게 살아?

This is so scary—how am I supposed to live?

— Officer Black Belt (2024)

아저씨 목소리가 너무 커 사람들이 무서워서 안 오잖아

Your voice is so loud that people are scared to come over.

— Dream (2023)

너무너무 무서워서 몸이 안 움직였어요

I was so scared that I couldn't move.

— 헌팅시즌 (2025)

무서워서 죽는 줄 알았어

I was so scared I thought I was going to die.

— 추억의 마니 (2014)