Verbseoul.
하다 verb (adj)

적당하다 conjugation (jeokdanghada, to be fit, suitable, adequate)

To say to be fit, suitable, adequate politely in the present tense, use 적당해요 (chuhg-dahng-hae-yoh) · jeokdanghaeyo. Below is the full conjugation of 적당하다 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
적당해
chuhg-dahng-hae
jeokdanghae
적당해요
chuhg-dahng-hae-yoh
jeokdanghaeyo
적당합니다
chuhg-dahng-hahm-nee-dah
jeokdanghamnida
Past
적당했어
chuhg-dahng-hae-ssuh
jeokdanghaesseo
적당했어요
chuhg-dahng-hae-ssuh-yoh
jeokdanghaesseoyo
적당했습니다
chuhg-dahng-hae-sseum-nee-dah
jeokdanghaesseumnida
Future
적당할 거야
chuhg-dahng-hahl guh-yah
jeokdanghal geoya
적당할 거예요
chuhg-dahng-hahl guh-yae-yoh
jeokdanghal geoyeyo
적당할 겁니다
chuhg-dahng-hahl guhm-nee-dah
jeokdanghal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
적당하세요
chuhg-dahng-hah-sae-yoh
jeokdanghaseyo
Suggestion / Let's Polite (요)
적당해요
chuhg-dahng-hae-yoh
jeokdanghaeyo
Question Polite (요)
적당해요?
chuhg-dahng-hae-yoh-?
jeokdanghaeyo?
Connective "and" — (고)
적당하고
chuhg-dahng-hah-goh
jeokdanghago
Conditional "if" — (면)
적당하면
chuhg-dahng-hah-myuhn
jeokdanghamyeon
Progressive (고 있어요)
적당하고 있어요
chuhg-dahng-hah-goh ee-ssuh-yoh
jeokdanghago isseoyo
Want to (고 싶어요)
적당하고 싶어요
chuhg-dahng-hah-goh shee-puh-yoh
jeokdanghago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
적당할 수 있어요
chuhg-dahng-hahl soo ee-ssuh-yoh
jeokdanghal su isseoyo
Because / So (아/어서)
적당해서
chuhg-dahng-hae-suh
jeokdanghaeseo
Noun form — (기)
적당하기
chuhg-dahng-hah-gee
jeokdanghagi
Noun form — (음)
적당함
chuhg-dahng-hahm
jeokdangham