Verbseoul.
하다 verb (adj)
황당무계하다hwangdangmugyehadato be nonsensical, to be very absurd, to be balderdash

To say to be nonsensical, to be very absurd, to be balderdash politely in the present tense, use 황당무계해요 (hwahng-dahng-moo-gyae-hae-yoh). Below is the full conjugation of 황당무계하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
황당무계해
hwahng-dahng-moo-gyae-hae
황당무계해요
hwahng-dahng-moo-gyae-hae-yoh
황당무계합니다
hwahng-dahng-moo-gyae-hahm-nee-dah
Past
황당무계했어
hwahng-dahng-moo-gyae-hae-ssuh
황당무계했어요
hwahng-dahng-moo-gyae-hae-ssuh-yoh
황당무계했습니다
hwahng-dahng-moo-gyae-hae-sseum-nee-dah
Future
황당무계할 거야
hwahng-dahng-moo-gyae-hahl- -guh-yah
황당무계할 거예요
hwahng-dahng-moo-gyae-hahl- -guh-yae-yoh
황당무계할 겁니다
hwahng-dahng-moo-gyae-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
황당무계하세요
hwahng-dahng-moo-gyae-hah-sae-yoh
Suggestion / Let's Polite (요)
황당무계해요
hwahng-dahng-moo-gyae-hae-yoh
Question Polite (요)
황당무계해요?
hwahng-dahng-moo-gyae-hae-yoh-?
Connective “and” — (고)
황당무계하고
hwahng-dahng-moo-gyae-hah-goh
Conditional “if” — (면)
황당무계하면
hwahng-dahng-moo-gyae-hah-myuhn
Noun form — (기)
황당무계함
hwahng-dahng-moo-gyae-hahm