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Korean Slang · casual

미안해

mianhae/mi.an.ɦɛ/verb (informal speech level)

"Sorry" in informal Korean — the casual way to apologize to friends, family, or close peers.

TL;DR · 미안해 (mianhae)
  • Meaning: "Sorry" in informal Korean — the casual way to apologize to friends, family, or close peers.
  • Pronunciation: /mi.an.ɦɛ/ (mianhae)
  • Part of speech: verb (informal speech level)
  • Formality: Casual — for friends, family, and close peers.
  • Literal: I am sorry / I feel apologetic

What does 미안해 mean?

미안해 (mianhae) is the informal "sorry" for everyday small mistakes among close people. It comes from 미안하다 (mianhada, "to be sorry / to feel apologetic"), with the -해 informal ending. The polite-informal version 미안해요 (mianhaeyo) adds 요. The formal version 죄송합니다 (joesonghamnida) is what you say to strangers, customers, bosses, or anyone you address respectfully. Korean apology grammar reflects social distance: minor mistakes between friends → 미안해, anything more serious or with someone above you → 죄송합니다. K-dramas use the choice between 미안 vs 죄송합니다 as a relationship signal — the moment a couple drops from formal to 미안해 marks intimacy.

Literal meaning
I am sorry / I feel apologetic
Origin
미안 (Sino-Korean 未安, "unease, regret") + 하다 (to do) + -해 casual ending.

Examples in context

미안해.
Mianhae.
I'm sorry. (casual)
Apologizing to a friend or partner
늦어서 미안해.
Neujeoseo mianhae.
Sorry I'm late.
Specific apology
진짜 미안해.
Jinjja mianhae.
I'm really sorry.
Emphasized casual
죄송합니다.
Joesonghamnida.
I apologize. (formal)
Different verb — formal alternative

When to use 미안해

  • Apologizing to friends, family, romantic partners
  • Small everyday mistakes — being late, forgetting something
  • Texting close people
  • When tone is informal but you genuinely regret

When NOT to use 미안해

  • With strangers, customers, or anyone older / higher-ranked (use 죄송합니다)
  • Serious mistakes that require formal apology
  • Workplace contexts
  • Public/published apologies

Related terms

Cluster · Politeness

More in Politeness

Greetings, thanks, apologies, support — the social-glue vocabulary.

Frequently asked questions

How do you say "sorry" in Korean?

The casual "sorry" is 미안해 (mianhae) — for friends and close people. The polite version is 미안해요 (mianhaeyo). The formal "I apologize" is 죄송합니다 (joesonghamnida) — for strangers, work, or serious situations. Use 죄송합니다 when in doubt.

What is the difference between 미안해 and 죄송합니다?

미안해 (mianhae) is informal — for friends, family, peers, small mistakes. 죄송합니다 (joesonghamnida) is formal — for strangers, customers, elders, bosses, or serious mistakes. They use different verb roots and signal completely different relationships.

Can I say 미안해 to a stranger?

No. 미안해 sounds rude or overly familiar to a stranger. Use 죄송합니다 instead. Saving 미안해 for people you address casually is one of the first politeness rules learners practice.

How is 미안해 pronounced?

미안해 is pronounced [mi.an.ɦɛ] — "mee-ahn-heh." Three syllables, all light. The final 해 rhymes with the English word "head" minus the D. Note: 미안 is sometimes shortened on its own as a quick informal "sorry."

More Korean slang?

Browse the full Korean Slang Dictionary or read the deep-dive: Korean Slang Ultimate Guide.