높임말이 · 높임말을
honorific speech, polite language
Example
처음 만난 사람에게는 높임말을 써야 해요.
You should use polite speech with people you've just met.
Word parts
높이다 'to raise' + 말 'speech': literally 'raising speech'.
Good to know
Pronounced [노핌말]; 존댓말 means the same thing and is just as common.
Related words