반말이 · 반말을
casual speech, informal (non-polite) language
Example
우리 이제 많이 친하니까 반말로 이야기할까요?
We're pretty close now, so shall we talk casually?
Word parts
반 half
Literally 'half speech' — sentences cut short without the polite ending.
Good to know
Don't switch to 반말 with older people or new acquaintances until they suggest it — it can sound rude.
Related words