잃어버려요 · 잃어버렸어요 · 잃어버릴 거예요 · 잃어버린 (+noun)
to lose (something)
Example
지하철에서 지갑을 잃어버렸어요.
I lost my wallet on the subway.
Word parts
잃다 (lose) + 버리다 (throw away), adding a 'gone for good' feel.
Good to know
Pronounced [이러버리다]. Don't confuse with 잊어버리다 'to forget'.
Related words