선생님이 · 선생님을 · plain: 선생
teacher; sir/ma'am (respectful title)
Example
우리 선생님은 아주 친절하세요.
Our teacher is very kind.
Word parts
선 before+생 life, birth
Literally 'born before' + 님 (honorific) — someone who is ahead of you.
Good to know
Also a respectful title for doctors and other professionals. Use honorific verbs: 선생님이 오세요.
Related words