Verbseoul.
하다 verb (adj)
빽빽하다ppaekppaekhadadense, full of (something)

To say dense, full of (something) politely in the present tense, use 빽빽해요 (bbaeg-bbae-kae-yoh). Below is the full conjugation of 빽빽하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
빽빽해
bbaeg-bbae-kae
빽빽해요
bbaeg-bbae-kae-yoh
빽빽합니다
bbaeg-bbae-kahm-nee-dah
Past
빽빽했어
bbaeg-bbae-kae-ssuh
빽빽했어요
bbaeg-bbae-kae-ssuh-yoh
빽빽했습니다
bbaeg-bbae-kae-sseum-nee-dah
Future
빽빽할 거야
bbaeg-bbae-kahl- -guh-yah
빽빽할 거예요
bbaeg-bbae-kahl- -guh-yae-yoh
빽빽할 겁니다
bbaeg-bbae-kahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
빽빽하세요
bbaeg-bbae-kah-sae-yoh
Suggestion / Let's Polite (요)
빽빽해요
bbaeg-bbae-kae-yoh
Question Polite (요)
빽빽해요?
bbaeg-bbae-kae-yoh-?
Connective “and” — (고)
빽빽하고
bbaeg-bbae-kah-goh
Conditional “if” — (면)
빽빽하면
bbaeg-bbae-kah-myuhn
Noun form — (기)
빽빽함
bbaeg-bbae-kahm