잠가

lock, close

→ 잠그다
verb · informal, present tense Rare #22,991
lock, close Used for locking or shutting a door, container, valve, or similar thing.
KO: 외출할 때 문을 잠가.
EN: Lock the door when you go out.
Conjugation of 잠그다
Imperative present
잠가

야, 이거 어떻게 잠가, 응?

Hey, how do I lock this, huh?

— 부산행 (2016)

아이씨, 이거 어떻게 잠가

Ugh, how do I lock this?

— 부산행 (2016)

문을 자꾸 왜 잠가?

Why do you keep locking the door?

— Svaha: The Sixth Finger (2019)

둘 다 열쇠가 있으니까 물건을 전부 안에 넣고 잠가 두면 돼.

We both have keys, so we can put everything inside and lock it up.