Verbseoul.
하다 verb (adj)

유쾌하다 conjugation (yukwaehada, pleasant, enjoyable, happy)

To say pleasant, enjoyable, happy politely in the present tense, use 유쾌해요 (yoo-kwae-hae-yoh) · yukwaehaeyo. Below is the full conjugation of 유쾌하다 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
유쾌해
yoo-kwae-hae
yukwaehae
유쾌해요
yoo-kwae-hae-yoh
yukwaehaeyo
유쾌합니다
yoo-kwae-hahm-nee-dah
yukwaehamnida
Past
유쾌했어
yoo-kwae-hae-ssuh
yukwaehaesseo
유쾌했어요
yoo-kwae-hae-ssuh-yoh
yukwaehaesseoyo
유쾌했습니다
yoo-kwae-hae-sseum-nee-dah
yukwaehaesseumnida
Future
유쾌할 거야
yoo-kwae-hahl guh-yah
yukwaehal geoya
유쾌할 거예요
yoo-kwae-hahl guh-yae-yoh
yukwaehal geoyeyo
유쾌할 겁니다
yoo-kwae-hahl guhm-nee-dah
yukwaehal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
유쾌하세요
yoo-kwae-hah-sae-yoh
yukwaehaseyo
Suggestion / Let's Polite (요)
유쾌해요
yoo-kwae-hae-yoh
yukwaehaeyo
Question Polite (요)
유쾌해요?
yoo-kwae-hae-yoh-?
yukwaehaeyo?
Connective "and" — (고)
유쾌하고
yoo-kwae-hah-goh
yukwaehago
Conditional "if" — (면)
유쾌하면
yoo-kwae-hah-myuhn
yukwaehamyeon
Progressive (고 있어요)
유쾌하고 있어요
yoo-kwae-hah-goh ee-ssuh-yoh
yukwaehago isseoyo
Want to (고 싶어요)
유쾌하고 싶어요
yoo-kwae-hah-goh shee-puh-yoh
yukwaehago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
유쾌할 수 있어요
yoo-kwae-hahl soo ee-ssuh-yoh
yukwaehal su isseoyo
Because / So (아/어서)
유쾌해서
yoo-kwae-hae-suh
yukwaehaeseo
Noun form — (기)
유쾌하기
yoo-kwae-hah-gee
yukwaehagi
Noun form — (음)
유쾌함
yoo-kwae-hahm
yukwaeham