Verbseoul.
하다 verb (adj)
간악하다ganakhadamalicious

To say malicious politely in the present tense, use 간악해요 (gah-nah-kae-yoh). Below is the full conjugation of 간악하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
간악해
gah-nah-kae
간악해요
gah-nah-kae-yoh
간악합니다
gah-nah-kahm-nee-dah
Past
간악했어
gah-nah-kae-ssuh
간악했어요
gah-nah-kae-ssuh-yoh
간악했습니다
gah-nah-kae-sseum-nee-dah
Future
간악할 거야
gah-nah-kahl- -guh-yah
간악할 거예요
gah-nah-kahl- -guh-yae-yoh
간악할 겁니다
gah-nah-kahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
간악하세요
gah-nah-kah-sae-yoh
Suggestion / Let's Polite (요)
간악해요
gah-nah-kae-yoh
Question Polite (요)
간악해요?
gah-nah-kae-yoh-?
Connective “and” — (고)
간악하고
gah-nah-kah-goh
Conditional “if” — (면)
간악하면
gah-nah-kah-myuhn
Noun form — (기)
간악함
gah-nah-kahm