Verbseoul.
descriptive

떫다 conjugation (tteolda-2, to be astringent, to be caustic)

To say to be astringent, to be caustic politely in the present tense, use 떫어요 (ttuhl-uh-yoh) · tteoeoyo. Below is the full conjugation of 떫다 across the three tenses and three everyday speech levels.

Grammar note (descriptive): Descriptive verbs (형용사) function like adjectives in Korean and conjugate the same way as regular action verbs. They cannot take the progressive -고 있어요 or imperative forms. 좋다 (to be good) → 좋아요; 크다 (to be big) → 커요 (으-irregular).

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

TenseCasual (반말)Polite (요)Formal (합니다)
Present
떫어
ttuhl-uh
tteoeo
떫어요
ttuhl-uh-yoh
tteoeoyo
떫습니다
ttuhl-seum-nee-dah
tteoseumnida
Past
떫었어
ttuhl-uh-ssuh
tteoeosseo
떫었어요
ttuhl-uh-ssuh-yoh
tteoeosseoyo
떫었습니다
ttuhl-uh-sseum-nee-dah
tteoeosseumnida
Future
떫을 거야
ttuhl-eul guh-yah
tteoeul geoya
떫을 거예요
ttuhl-eul guh-yae-yoh
tteoeul geoyeyo
떫을 겁니다
ttuhl-eul guhm-nee-dah
tteoeul geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
떫으세요
ttuhl-eu-sae-yoh
tteoeuseyo
Suggestion / Let's Polite (요)
떫어요
ttuhl-uh-yoh
tteoeoyo
Question Polite (요)
떫어요?
ttuhl-uh-yoh-?
tteoeoyo?
Connective "and" — (고)
떫고
ttuhl-goh
tteogo
Conditional "if" — (면)
떫으면
ttuhl-eu-myuhn
tteoeumyeon
Progressive (고 있어요)
떫고 있어요
ttuhl-goh ee-ssuh-yoh
tteogo isseoyo
Want to (고 싶어요)
떫고 싶어요
ttuhl-goh shee-puh-yoh
tteogo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
떫을 수 있어요
ttuhl-eul soo ee-ssuh-yoh
tteoeul su isseoyo
Because / So (아/어서)
떫어서
ttuhl-uh-suh
tteoeoseo
Noun form — (기)
떫기
ttuhl-gee
tteogi
Noun form — (음)
떫음
ttuhl-eum
tteoeum