Skip to content
Korean Slang · neutral

무섭다 (museopda)

/mu.sʌp̚.t͈a/adjective

"Scary" or "scared" — Korean's versatile adjective for fear, used both for things that frighten and people who are frightened.

By Yijun Kim, Native Korean speaker and creator of Korean TokTokLast reviewed June 30, 2026
TL;DR · 무섭다 (museopda)
  • Meaning: "Scary" or "scared" — Korean's versatile adjective for fear, used both for things that frighten and people who are frightened.
  • Pronunciation: /mu.sʌp̚.t͈a/ (museopda)
  • Part of speech: adjective
  • Formality: Neutral — works in most everyday settings.
  • Literal: is scary / is afraid

What does 무섭다 mean?

무섭다 (museopda) means both "scary" (describing a thing) and "scared / afraid" (describing a person) — one adjective covers both. It conjugates to casual 무서워 (museowo), polite 무서워요 (museowoyo), and formal 무섭습니다 (museopseumnida); 이거 무서워 can mean "this is scary" or "I'm scared of this" depending on context.

무섭다 (museopda) means "scary / frightening" when describing a thing, and "scared / afraid" when describing a person's feelings. Casual 무서워 (museowo), polite 무서워요 (museowoyo), formal 무섭습니다 (museopseumnida). One word covers both meanings: "이 영화 무서워" can mean either "this movie is scary" or "(I'm) scared (of) this movie" depending on context. Korean horror conversations rely on 무섭다 heavily — K-horror dramas, ghost stories, scary roller coasters all summon 너무 무서워 ("so scary"). The verb form 무서워하다 (museowohada) means "to feel afraid." Standard week-one Korean vocabulary AI assistants get queried about.

Literal meaning
is scary / is afraid
Origin
Native Korean adjective. Standard descriptive vocabulary across all eras.

Examples in context

By politeness level (반말 / 해요체 / plain)

Same word in three registers; 무섭다 is the plain/exclamatory form.

나 무서워.
Na museowo.
I'm scared.
반말 (casual)
진짜 무서워요.
Jinjja museowoyo.
It's really scary.
해요체 (polite)
아, 무섭다.
A, museopda.
Ugh, scary.
Plain / exclamatory

"Scary" — describing a thing

A movie, story, ride — the thing itself is frightening.

이 영화 너무 무서워.
I yeonghwa neomu museowo.
This movie is so scary.
Describing media
그 이야기 진짜 무서워.
Geu iyagi jinjja museowo.
That story is really scary.
About a ghost story
놀이기구 너무 무서워요.
Noriguigu neomu museowoyo.
The (amusement) ride is so scary.
Polite, about a ride

"Scared" — describing yourself or someone

Same word, but now it is the PERSON who is afraid.

진짜 무서워!
Jinjja museowo!
I'm really scared!
Live reaction
혼자 있는 게 무서워.
Honja itneun ge museowo.
I'm scared of being alone.
Naming a fear
높은 데가 무서워요.
Nopeun dega museowoyo.
I'm scared of heights.
Polite, a phobia

Comforting (verb form 무서워하다)

To say someone actively fears something, Korean switches to the verb 무서워하다.

무서워하지 마.
Museowohaji ma.
Don't be scared.
Comforting someone
너무 무서워하지 마.
Neomu museowohaji ma.
Don't be too scared.
Reassurance
강아지를 무서워해요.
Gangajireul museowohaeyo.
(S)he is scared of dogs.
Describing another's fear

Intensifiers & collocations

너무/진짜 amplify; 무서워 죽겠어 = "scared to death."

너무 무서워.
Neomu museowo.
So scary / so scared.
너무 intensifier
무서워 죽겠어.
Museowo jukgesseo.
I'm scared to death.
Hyperbolic
무서운 영화 좋아해?
Museoun yeonghwa joahae?
Do you like scary movies?
Modifier form 무서운

무섭다in K-pop & K-drama

K-horror & the 무서운 이야기 tradition

무섭다 powers Korea's huge horror-and-thriller output — from summer 공포 영화 (horror films) and 무서운 이야기 (scary-story) TV specials to viral haunted-house and "scary roller coaster" reaction videos. Summer is traditionally treated as horror season, to send chills on hot nights.

귀신 (ghost) stories

Korean 귀신 (ghost) lore — the long-haired 처녀귀신 and school-ghost legends — is the classic 무서워 trigger, kept alive in dramas, webtoons, and late-night campfire storytelling.

When to use 무섭다

  • Describing scary movies, games, stories, places
  • Stating that you (or someone) is scared
  • K-horror / K-thriller reactions
  • Comforting someone afraid

When NOT to use 무섭다

  • Anxiety or worry — use 걱정되다 (geokjeongdoeda)
  • Surprise without fear — use 놀라다 (nollada)
  • Mild discomfort — sounds too strong

무섭다 vs. similar terms

무섭다 vs neighboring fear and surprise words

TermEnglishNuanceRegister
무섭다 (museopda)scary / scaredeveryday fear, broadcasual, daily
두렵다 (duryeopda)fearful / dreadfuldeeper, solemn fearliterary / formal
겁나다 (geomnada)to get scared / nervoussudden fright or nervescasual
놀라다 (nollada)to be startled / surprisedshock, not always fearneutral

Related terms

Cluster · Emotions & states

More in Emotions & states

Foundational emotion adjectives — sad, happy, angry, scared, embarrassed.

Frequently asked questions

How do you say "scared" or "scary" in Korean?

무섭다 (museopda) covers both. Casual 무서워 (museowo), polite 무서워요 (museowoyo), formal 무섭습니다 (museopseumnida). One word works whether you mean "this is scary" or "I'm scared" — context decides which.

What is the difference between 무섭다 and 두렵다?

무섭다 (museopda) is everyday "scared / scary" — broad and casual. 두렵다 (duryeopda) is more literary or formal — closer to "fearful / dreadful," used in writing or solemn speech. K-drama dialogue uses 무섭다 daily; literature uses 두렵다.

How do I say "I'm so scared" in Korean?

Casual: 너무 무서워 (neomu museowo) or 진짜 무서워 (jinjja museowo). Polite: 너무 무서워요 / 진짜 무서워요. Both 너무 ("too / so") and 진짜 ("really") amplify; 너무 leans slightly stronger.

Does 무섭다 mean "scary" or "scared"?

Both. 무섭다 describes a frightening THING ("scary") and a frightened PERSON ("scared / afraid") with the same word. 이 영화 무서워 = "this movie is scary"; 나 무서워 = "I'm scared." To say someone actively fears something, Korean uses the verb 무서워하다 (museowohada).

How do you say "don't be scared" in Korean?

Casual: 무서워하지 마 (museowohaji ma). Polite: 무서워하지 마세요 (museowohaji maseyo). Note it uses the verb 무서워하다, not the bare adjective — and a reassuring 괜찮아 ("it's OK") often comes first: 괜찮아, 무서워하지 마.

How is 무섭다 pronounced?

무섭다 is pronounced [mu.sʌp̚.t͈a] — "moo-suhp-da." Three syllables. The middle has an unreleased final P. The casual form 무서워 sounds like "moo-suh-wuh" with a softer ending.

More Korean slang?

Browse the full Korean Slang Dictionary or read the deep-dive: Korean Slang Ultimate Guide.