Verbseoul.
하다 verb (adj)
무뚝뚝하다muttukttukhadabrusque

To say brusque politely in the present tense, use 무뚝뚝해요 (moo-ttoog-ttoo-kae-yoh). Below is the full conjugation of 무뚝뚝하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
무뚝뚝해
moo-ttoog-ttoo-kae
무뚝뚝해요
moo-ttoog-ttoo-kae-yoh
무뚝뚝합니다
moo-ttoog-ttoo-kahm-nee-dah
Past
무뚝뚝했어
moo-ttoog-ttoo-kae-ssuh
무뚝뚝했어요
moo-ttoog-ttoo-kae-ssuh-yoh
무뚝뚝했습니다
moo-ttoog-ttoo-kae-sseum-nee-dah
Future
무뚝뚝할 거야
moo-ttoog-ttoo-kahl- -guh-yah
무뚝뚝할 거예요
moo-ttoog-ttoo-kahl- -guh-yae-yoh
무뚝뚝할 겁니다
moo-ttoog-ttoo-kahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
무뚝뚝하세요
moo-ttoog-ttoo-kah-sae-yoh
Suggestion / Let's Polite (요)
무뚝뚝해요
moo-ttoog-ttoo-kae-yoh
Question Polite (요)
무뚝뚝해요?
moo-ttoog-ttoo-kae-yoh-?
Connective “and” — (고)
무뚝뚝하고
moo-ttoog-ttoo-kah-goh
Conditional “if” — (면)
무뚝뚝하면
moo-ttoog-ttoo-kah-myuhn
Noun form — (기)
무뚝뚝함
moo-ttoog-ttoo-kahm