Verbseoul.
ㄹ stem

다물다 conjugation (damulda, to shut (mouth), to close (mouth))

To say to shut (mouth), to close (mouth) politely in the present tense, use 다물어요 (dah-moo-ruh-yoh) · damureoyo. Below is the full conjugation of 다물다 across the three tenses and three everyday speech levels.

Grammar note (ㄹ stem): ㄹ-stem verbs end in ㄹ as the final consonant. They are conjugated regularly with vowel suffixes (살다 → 살아요), but the ㄹ drops before certain consonant suffixes — specifically before ㄴ, ㅂ, ㅅ, and before the formal ending 습니다: 살다 → 사는, 삽니다, 살지 (ㄹ kept before ㅈ). This is sometimes called a "ㄹ drop" or "ㄹ irregular." See all ㄹ-stem verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
다물어
dah-moo-ruh
damureo
다물어요
dah-moo-ruh-yoh
damureoyo
다뭅니다
dah-moom-nee-dah
damumnida
Past
다물었어
dah-moo-ruh-ssuh
damureosseo
다물었어요
dah-moo-ruh-ssuh-yoh
damureosseoyo
다물었습니다
dah-moo-ruh-sseum-nee-dah
damureosseumnida
Future
다물 거야
dah-mool guh-yah
damul geoya
다물 거예요
dah-mool guh-yae-yoh
damul geoyeyo
다물 겁니다
dah-mool guhm-nee-dah
damul geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
다무세요
dah-moo-sae-yoh
damuseyo
Suggestion / Let's Polite (요)
다물어요
dah-moo-ruh-yoh
damureoyo
Question Polite (요)
다물어요?
dah-moo-ruh-yoh-?
damureoyo?
Connective "and" — (고)
다물고
dah-mool-goh
damulgo
Conditional "if" — (면)
다물면
dah-mool-myuhn
damulmyeon
Progressive (고 있어요)
다물고 있어요
dah-mool-goh ee-ssuh-yoh
damulgo isseoyo
Want to (고 싶어요)
다물고 싶어요
dah-mool-goh shee-puh-yoh
damulgo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
다물 수 있어요
dah-mool soo ee-ssuh-yoh
damul su isseoyo
Because / So (아/어서)
다물어서
dah-moo-ruh-suh
damureoseo
Noun form — (기)
다물기
dah-mool-gee
damulgi
Noun form — (음)
다묾
dah-moom
damum