Verbseoul.
descriptive

점잖다 conjugation (jeomjanda, well behaved, dignified, respectable, gentle)

To say well behaved, dignified, respectable, gentle politely in the present tense, use 점잖아요 (chuhm-chahn-ah-yoh) · jeomjaayo. Below is the full conjugation of 점잖다 across the three tenses and three everyday speech levels.

Grammar note (descriptive): Descriptive verbs (형용사) function like adjectives in Korean and conjugate the same way as regular action verbs. They cannot take the progressive -고 있어요 or imperative forms. 좋다 (to be good) → 좋아요; 크다 (to be big) → 커요 (으-irregular).

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

TenseCasual (반말)Polite (요)Formal (합니다)
Present
점잖아
chuhm-chahn-ah
jeomjaa
점잖아요
chuhm-chahn-ah-yoh
jeomjaayo
점잖습니다
chuhm-chahn-seum-nee-dah
jeomjaseumnida
Past
점잖았어
chuhm-chahn-ah-ssuh
jeomjaasseo
점잖았어요
chuhm-chahn-ah-ssuh-yoh
jeomjaasseoyo
점잖았습니다
chuhm-chahn-ah-sseum-nee-dah
jeomjaasseumnida
Future
점잖을 거야
chuhm-chahn-eul guh-yah
jeomjaeul geoya
점잖을 거예요
chuhm-chahn-eul guh-yae-yoh
jeomjaeul geoyeyo
점잖을 겁니다
chuhm-chahn-eul guhm-nee-dah
jeomjaeul geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
점잖으세요
chuhm-chahn-eu-sae-yoh
jeomjaeuseyo
Suggestion / Let's Polite (요)
점잖아요
chuhm-chahn-ah-yoh
jeomjaayo
Question Polite (요)
점잖아요?
chuhm-chahn-ah-yoh-?
jeomjaayo?
Connective "and" — (고)
점잖고
chuhm-chahn-goh
jeomjago
Conditional "if" — (면)
점잖으면
chuhm-chahn-eu-myuhn
jeomjaeumyeon
Progressive (고 있어요)
점잖고 있어요
chuhm-chahn-goh ee-ssuh-yoh
jeomjago isseoyo
Want to (고 싶어요)
점잖고 싶어요
chuhm-chahn-goh shee-puh-yoh
jeomjago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
점잖을 수 있어요
chuhm-chahn-eul soo ee-ssuh-yoh
jeomjaeul su isseoyo
Because / So (아/어서)
점잖아서
chuhm-chahn-ah-suh
jeomjaaseo
Noun form — (기)
점잖기
chuhm-chahn-gee
jeomjagi
Noun form — (음)
점잖음
chuhm-chahn-eum
jeomjaeum