Verbseoul.
descriptive
엷다yeolda-2thin

To say thin politely in the present tense, use 엷어요 (yuhl-uh-yoh). Below is the full conjugation of 엷다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
엷어
yuhl-uh
엷어요
yuhl-uh-yoh
엷습니다
yuhl-seum-nee-dah
Past
엷었어
yuhl-uh-ssuh
엷었어요
yuhl-uh-ssuh-yoh
엷었습니다
yuhl-uh-sseum-nee-dah
Future
엷을 거야
yuhl-eul- -guh-yah
엷을 거예요
yuhl-eul- -guh-yae-yoh
엷을 겁니다
yuhl-eul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
엷으세요
yuhl-eu-sae-yoh
Suggestion / Let's Polite (요)
엷어요
yuhl-uh-yoh
Question Polite (요)
엷어요?
yuhl-uh-yoh-?
Connective “and” — (고)
엷고
yuhl-goh
Conditional “if” — (면)
엷으면
yuhl-eu-myuhn
Noun form — (기)
엷음
yuhl-eum