무서워
moo-suh-wuh
museowo
무섭다
To say to be worried, scared or afraid of something politely in the present tense, use 무서워요 (moo-suh-wuh-yoh) · museowoyo. Below is the full conjugation of 무섭다 across the three tenses and three everyday speech levels.
Grammar note (ㅂ irregular (adj)): ㅂ-irregular adjectives follow the same rule as ㅂ-irregular verbs: the ㅂ changes to 우 when a vowel suffix follows. 덥다 (to be hot) becomes 더워요; 쉽다 (to be easy) becomes 쉬워요. The ㅂ is kept intact before consonant suffixes: 덥고, 쉽지. See all ㅂ-irregular verbs →
Conjugation table
pron. = pronunciation guide · RR = Revised Romanization
Highlighted = where the stem changes
| Tense | Casual (반말) | Polite (요) | Formal (합니다) |
|---|---|---|---|
| Present | 무서워요 moo-suh-wuh-yoh museowoyo | 무섭습니다 moo-suhp-sseum-nee-dah museopsseumnida | |
| Past | 무서웠어 moo-suh-wuh-ssuh museowosseo | 무서웠어요 moo-suh-wuh-ssuh-yoh museowosseoyo | 무서웠습니다 moo-suh-wuh-sseum-nee-dah museowosseumnida |
| Future | 무서울 거야 moo-suh-ool guh-yah museoul geoya | 무서울 거예요 moo-suh-ool guh-yae-yoh museoul geoyeyo | 무서울 겁니다 moo-suh-ool guhm-nee-dah museoul geomnida |
Other useful forms
Honorific / Command Polite (-(으)세요)
무서우세요
moo-suh-oo-sae-yoh
museouseyo
Suggestion / Let's Polite (요)
무서워요
moo-suh-wuh-yoh
museowoyo
Question Polite (요)
무서워요?
moo-suh-wuh-yoh-?
museowoyo?
Connective "and" — (고)
무섭고
moo-suhp-goh
museopgo
Conditional "if" — (면)
무서우면
moo-suh-oo-myuhn
museoumyeon
Progressive (고 있어요)
무섭고 있어요
moo-suhp-goh ee-ssuh-yoh
museopgo isseoyo
Want to (고 싶어요)
무섭고 싶어요
moo-suhp-goh shee-puh-yoh
museopgo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
무서울 수 있어요
moo-suh-ool soo ee-ssuh-yoh
museoul su isseoyo
Because / So (아/어서)
무서워서
moo-suh-wuh-suh
museowoseo
Noun form — (기)
무섭기
moo-suhp-gee
museopgi
Noun form — (음)
무서움
moo-suh-oom
museoum