Verbseoul.
하다 verb (adj)

진실하다 conjugation (jinsilhada, sincere, honest, faithful)

To say sincere, honest, faithful politely in the present tense, use 진실해요 (cheen-sheel-hae-yoh) · jinsilhaeyo. Below is the full conjugation of 진실하다 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
진실해
cheen-sheel-hae
jinsilhae
진실해요
cheen-sheel-hae-yoh
jinsilhaeyo
진실합니다
cheen-sheel-hahm-nee-dah
jinsilhamnida
Past
진실했어
cheen-sheel-hae-ssuh
jinsilhaesseo
진실했어요
cheen-sheel-hae-ssuh-yoh
jinsilhaesseoyo
진실했습니다
cheen-sheel-hae-sseum-nee-dah
jinsilhaesseumnida
Future
진실할 거야
cheen-sheel-hahl guh-yah
jinsilhal geoya
진실할 거예요
cheen-sheel-hahl guh-yae-yoh
jinsilhal geoyeyo
진실할 겁니다
cheen-sheel-hahl guhm-nee-dah
jinsilhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
진실하세요
cheen-sheel-hah-sae-yoh
jinsilhaseyo
Suggestion / Let's Polite (요)
진실해요
cheen-sheel-hae-yoh
jinsilhaeyo
Question Polite (요)
진실해요?
cheen-sheel-hae-yoh-?
jinsilhaeyo?
Connective "and" — (고)
진실하고
cheen-sheel-hah-goh
jinsilhago
Conditional "if" — (면)
진실하면
cheen-sheel-hah-myuhn
jinsilhamyeon
Progressive (고 있어요)
진실하고 있어요
cheen-sheel-hah-goh ee-ssuh-yoh
jinsilhago isseoyo
Want to (고 싶어요)
진실하고 싶어요
cheen-sheel-hah-goh shee-puh-yoh
jinsilhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
진실할 수 있어요
cheen-sheel-hahl soo ee-ssuh-yoh
jinsilhal su isseoyo
Because / So (아/어서)
진실해서
cheen-sheel-hae-suh
jinsilhaeseo
Noun form — (기)
진실하기
cheen-sheel-hah-gee
jinsilhagi
Noun form — (음)
진실함
cheen-sheel-hahm
jinsilham