였잖아요

was, remember?; was, you know

→ 이다
였 Past tense + 잖아 Reminding / shared knowledge + 요 Polite speech
auxiliary · formal, past tense Rare #29,300
was, remember?; was, you know Polite conversational form used to remind someone of something or point out a fact assumed to be known.
KO: 그분은 의사였잖아요.
EN: That person was a doctor, remember?
Conjugation of 이다

그냥 재미로 한 거 였잖아요.

I was just doing it for fun.

— 국보 (2025)

집에 안 올 거 였잖아요.

You weren't going to come home anyway.

— 더스트 버니 (2025)

그때는 중요한 문제 였잖아요

It was an important issue at the time, remember.

— 히든 (2005)

당신 여자 친구 였잖아요!

She was your girlfriend!

— 음식남녀 (1994)