Verbseoul.
ㅂ irregular (adj)
비밀스럽다bimilseureopdato be secret, to be secretive

To say to be secret, to be secretive politely in the present tense, use 비밀스러워요 (bee-meel-seu-ruh-wuh-yoh). Below is the full conjugation of 비밀스럽다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
비밀스러워
bee-meel-seu-ruh-wuh
비밀스러워요
bee-meel-seu-ruh-wuh-yoh
비밀스럽습니다
bee-meel-seu-ruhp-sseum-nee-dah
Past
비밀스러웠어
bee-meel-seu-ruh-wuh-ssuh
비밀스러웠어요
bee-meel-seu-ruh-wuh-ssuh-yoh
비밀스러웠습니다
bee-meel-seu-ruh-wuh-sseum-nee-dah
Future
비밀스러울 거야
bee-meel-seu-ruh-ool- -guh-yah
비밀스러울 거예요
bee-meel-seu-ruh-ool- -guh-yae-yoh
비밀스러울 겁니다
bee-meel-seu-ruh-ool- -guhm-nee-dah

Other useful forms

Command Polite (세요)
비밀스러우세요
bee-meel-seu-ruh-oo-sae-yoh
Suggestion / Let's Polite (요)
비밀스러워요
bee-meel-seu-ruh-wuh-yoh
Question Polite (요)
비밀스러워요?
bee-meel-seu-ruh-wuh-yoh-?
Connective “and” — (고)
비밀스럽고
bee-meel-seu-ruhp-goh
Conditional “if” — (면)
비밀스러우면
bee-meel-seu-ruh-oo-myuhn
Noun form — (기)
비밀스러움
bee-meel-seu-ruh-oom