Verbseoul.
하다 verb (adj)

불가피하다 conjugation (bulgapihada, inevitable, unavoidable)

To say inevitable, unavoidable politely in the present tense, use 불가피해요 (bool-gah-pee-hae-yoh) · bulgapihaeyo. Below is the full conjugation of 불가피하다 across the three tenses and three everyday speech levels.

Grammar note (하다 verb (adj)): 하다 adjectives use the same verb 하다 as a suffix to turn descriptive nouns into predicates (행복하다 = to be happy). They conjugate identically to 하다 verbs: the 하 contracts before -아/-어 suffixes to give 해. 행복해요, 행복했어요, 행복합니다. See all 하다 verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
불가피해
bool-gah-pee-hae
bulgapihae
불가피해요
bool-gah-pee-hae-yoh
bulgapihaeyo
불가피합니다
bool-gah-pee-hahm-nee-dah
bulgapihamnida
Past
불가피했어
bool-gah-pee-hae-ssuh
bulgapihaesseo
불가피했어요
bool-gah-pee-hae-ssuh-yoh
bulgapihaesseoyo
불가피했습니다
bool-gah-pee-hae-sseum-nee-dah
bulgapihaesseumnida
Future
불가피할 거야
bool-gah-pee-hahl guh-yah
bulgapihal geoya
불가피할 거예요
bool-gah-pee-hahl guh-yae-yoh
bulgapihal geoyeyo
불가피할 겁니다
bool-gah-pee-hahl guhm-nee-dah
bulgapihal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
불가피하세요
bool-gah-pee-hah-sae-yoh
bulgapihaseyo
Suggestion / Let's Polite (요)
불가피해요
bool-gah-pee-hae-yoh
bulgapihaeyo
Question Polite (요)
불가피해요?
bool-gah-pee-hae-yoh-?
bulgapihaeyo?
Connective "and" — (고)
불가피하고
bool-gah-pee-hah-goh
bulgapihago
Conditional "if" — (면)
불가피하면
bool-gah-pee-hah-myuhn
bulgapihamyeon
Progressive (고 있어요)
불가피하고 있어요
bool-gah-pee-hah-goh ee-ssuh-yoh
bulgapihago isseoyo
Want to (고 싶어요)
불가피하고 싶어요
bool-gah-pee-hah-goh shee-puh-yoh
bulgapihago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
불가피할 수 있어요
bool-gah-pee-hahl soo ee-ssuh-yoh
bulgapihal su isseoyo
Because / So (아/어서)
불가피해서
bool-gah-pee-hae-suh
bulgapihaeseo
Noun form — (기)
불가피하기
bool-gah-pee-hah-gee
bulgapihagi
Noun form — (음)
불가피함
bool-gah-pee-hahm
bulgapiham