Verbseoul.
하다 verb (adj)

무책임하다 conjugation (muchaekimhada, irresponsible)

To say irresponsible politely in the present tense, use 무책임해요 (moo-chae-geem-hae-yoh) · muchaegimhaeyo. Below is the full conjugation of 무책임하다 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
무책임해
moo-chae-geem-hae
muchaegimhae
무책임해요
moo-chae-geem-hae-yoh
muchaegimhaeyo
무책임합니다
moo-chae-geem-hahm-nee-dah
muchaegimhamnida
Past
무책임했어
moo-chae-geem-hae-ssuh
muchaegimhaesseo
무책임했어요
moo-chae-geem-hae-ssuh-yoh
muchaegimhaesseoyo
무책임했습니다
moo-chae-geem-hae-sseum-nee-dah
muchaegimhaesseumnida
Future
무책임할 거야
moo-chae-geem-hahl guh-yah
muchaegimhal geoya
무책임할 거예요
moo-chae-geem-hahl guh-yae-yoh
muchaegimhal geoyeyo
무책임할 겁니다
moo-chae-geem-hahl guhm-nee-dah
muchaegimhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
무책임하세요
moo-chae-geem-hah-sae-yoh
muchaegimhaseyo
Suggestion / Let's Polite (요)
무책임해요
moo-chae-geem-hae-yoh
muchaegimhaeyo
Question Polite (요)
무책임해요?
moo-chae-geem-hae-yoh-?
muchaegimhaeyo?
Connective "and" — (고)
무책임하고
moo-chae-geem-hah-goh
muchaegimhago
Conditional "if" — (면)
무책임하면
moo-chae-geem-hah-myuhn
muchaegimhamyeon
Progressive (고 있어요)
무책임하고 있어요
moo-chae-geem-hah-goh ee-ssuh-yoh
muchaegimhago isseoyo
Want to (고 싶어요)
무책임하고 싶어요
moo-chae-geem-hah-goh shee-puh-yoh
muchaegimhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
무책임할 수 있어요
moo-chae-geem-hahl soo ee-ssuh-yoh
muchaegimhal su isseoyo
Because / So (아/어서)
무책임해서
moo-chae-geem-hae-suh
muchaegimhaeseo
Noun form — (기)
무책임하기
moo-chae-geem-hah-gee
muchaegimhagi
Noun form — (음)
무책임함
moo-chae-geem-hahm
muchaegimham