Verbseoul.
ㄹ stem (adj)

낯설다 conjugation (natseolda, strange)

To say strange politely in the present tense, use 낯설어요 (naht-suh-ruh-yoh) · natseoreoyo. Below is the full conjugation of 낯설다 across the three tenses and three everyday speech levels.

Grammar note (ㄹ stem (adj)): ㄹ-stem adjectives follow the same pattern as ㄹ-stem verbs: the ㄹ is kept before vowel suffixes and drops before ㄴ, ㅂ, and 습니다. 길다 (to be long) → 길어요, 긴, 깁니다. 멀다 (to be far) → 멀어요, 먼, 멉니다. See all ㄹ-stem verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
낯설어
naht-suh-ruh
natseoreo
낯설어요
naht-suh-ruh-yoh
natseoreoyo
낯섭니다
naht-suhm-nee-dah
natseomnida
Past
낯설었어
naht-suh-ruh-ssuh
natseoreosseo
낯설었어요
naht-suh-ruh-ssuh-yoh
natseoreosseoyo
낯설었습니다
naht-suh-ruh-sseum-nee-dah
natseoreosseumnida
Future
낯설 거야
naht-suhl guh-yah
natseol geoya
낯설 거예요
naht-suhl guh-yae-yoh
natseol geoyeyo
낯설 겁니다
naht-suhl guhm-nee-dah
natseol geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
낯서세요
naht-suh-sae-yoh
natseoseyo
Suggestion / Let's Polite (요)
낯설어요
naht-suh-ruh-yoh
natseoreoyo
Question Polite (요)
낯설어요?
naht-suh-ruh-yoh-?
natseoreoyo?
Connective "and" — (고)
낯설고
naht-suhl-goh
natseolgo
Conditional "if" — (면)
낯설면
naht-suhl-myuhn
natseolmyeon
Progressive (고 있어요)
낯설고 있어요
naht-suhl-goh ee-ssuh-yoh
natseolgo isseoyo
Want to (고 싶어요)
낯설고 싶어요
naht-suhl-goh shee-puh-yoh
natseolgo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
낯설 수 있어요
naht-suhl soo ee-ssuh-yoh
natseol su isseoyo
Because / So (아/어서)
낯설어서
naht-suh-ruh-suh
natseoreoseo
Noun form — (기)
낯설기
naht-suhl-gee
natseolgi
Noun form — (음)
낯섦
naht-suhm
natseom