Verbseoul.
하다 verb (adj)
담백하다dambaekhadato be unselfish, to be uninterested

To say to be unselfish, to be uninterested politely in the present tense, use 담백해요 (dahm-bae-kae-yoh). Below is the full conjugation of 담백하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
담백해
dahm-bae-kae
담백해요
dahm-bae-kae-yoh
담백합니다
dahm-bae-kahm-nee-dah
Past
담백했어
dahm-bae-kae-ssuh
담백했어요
dahm-bae-kae-ssuh-yoh
담백했습니다
dahm-bae-kae-sseum-nee-dah
Future
담백할 거야
dahm-bae-kahl- -guh-yah
담백할 거예요
dahm-bae-kahl- -guh-yae-yoh
담백할 겁니다
dahm-bae-kahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
담백하세요
dahm-bae-kah-sae-yoh
Suggestion / Let's Polite (요)
담백해요
dahm-bae-kae-yoh
Question Polite (요)
담백해요?
dahm-bae-kae-yoh-?
Connective “and” — (고)
담백하고
dahm-bae-kah-goh
Conditional “if” — (면)
담백하면
dahm-bae-kah-myuhn
Noun form — (기)
담백함
dahm-bae-kahm