Korean Grammar: Honorific Suffix -(으)시다 

 September 27, 2025

By  Dr. Satish Satyarthi

Welcome to one of the most important concepts in the Korean language: politeness. Today, we’re learning the honorific suffix -(으)시다. This is not a tense, but a “respect marker” that you attach to verbs and adjectives.

You use -(으)시다 to show respect to the subject of the sentence. This is absolutely essential when talking about people older than you or in a higher social position, like your parents, grandparents, teachers, or boss.

1. Usage: Understanding -(으)시다

The function of -(으)시다 is to “elevate” or “honor” the person performing the action. You are showing respect by using a special version of the verb or adjective.

Function: Showing Respect to the Subject

You use this when the subject of the verb (the person doing the action) is someone you must show respect to.

  • Neutral: 친구가 가요.
    English: “My friend goes.”
  • Honorific: 아버지가 가세요.
    English: “My father goes.” (Lit: “My father honorifically goes.”)
Critical Rule: You NEVER use -(으)시다 to talk about yourself. Using it for yourself (e.g., “저는 가세요”) is a big mistake and sounds very strange.

2. Conjugation: How to Attach -(으)시다

You attach this suffix to the verb or adjective stem (the part before -다).

Rule 1: Stem ends in a Vowel

If the stem ends in a vowel, add -시다.

  • 가다 (to go) → 가 + -시다 = 가시다
  • 보다 (to see) → 보 + -시다 = 보시다
  • 기다리다 (to wait) → 기다리 + -시다 = 기다리시다

Rule 2: Stem ends in a Consonant

If the stem ends in a consonant, add -으시다.

  • 읽다 (to read) → 읽 + -으시다 = 읽으시다
  • 앉다 (to sit) → 앉 + -으시다 = 앉으시다
  • 좋다 (to be good) → 좋 + -으시다 = 좋으시다

Rule 3: Stem ends in ㄹ

If the stem ends in the consonant , you drop the ㄹ and add -시다 (as if it were a vowel stem).

  • 만들다 (to make) → 만들 → 만 + -시다 = 만드시다
  • 살다 (to live) → 살 → 사 + -시다 = 사시다

3. Tense Forms & Examples

-(으)시다 is just the base. You must *then* conjugate it into the present, past, or future tense. Here are the most common forms you’ll use (in the polite, informal 해요체 style).

Present Tense: -(으)세요

This is formed by combining -(으)시- + -어요, which contracts to -(으)세요.

  • Korean: 할아버지, 지금 어디 가세요?
    English: Grandfather, where are you going now?
  • Korean: 선생님이 책을 읽으세요.
    English: The teacher is reading a book.
  • Korean: 어머니가 요리를 만드세요.
    English: Mother is making food.

Past Tense: -(으)셨어요

This is formed by combining -(으)시- + -었어요, which contracts to -(으)셨어요.

  • Korean: 사장님이 어제 미국에 가셨어요.
    English: The boss went to America yesterday.
  • Korean: 부모님이 그 영화를 보셨어요.
    English: My parents saw that movie.
  • Korean: 할머니가 의자에 앉으셨어요.
    English: Grandmother sat in the chair.

Future Tense: -(으)실 거예요

This is formed by combining the honorific stem -(으)시- with the future tense -(으)ㄹ 거예요.

  • Korean: 아버지가 내일 오실 거예요.
    English: Father will come tomorrow.
  • Korean: 교수님이 곧 도착하실 거예요.
    English: The professor will arrive soon.
  • Korean: 어머니가 케이크를 만드실 거예요.
    English: Mother will make a cake.

4. Key Rules and Comparisons

Here are a few crucial rules and special cases to remember.

Rule 1: Statement vs. Command (-(으)세요)

The present tense honorific -(으)세요 looks identical to the polite command -(으)세요. You must tell the difference from context.

  • Statement: “선생님이 가세요.” (The teacher is going.) – *You are talking ABOUT the teacher.*
  • Command: “선생님, 가세요.” (Teacher, please go.) – *You are talking TO the teacher.*

Rule 2: Special Honorific Verbs (MUST MEMORIZE)

For some very common verbs, you do not just add -(으)시다. They have their own special honorific word. You MUST use this word instead.

  • 먹다 (to eat) / 마시다 (to drink) → 드시다
  • 자다 (to sleep) → 주무시다
  • 있다 (to be/exist at a location) → 계시다
  • 아프다 (to be sick) → 편찮으시다
  • 말하다 (to speak) → 말씀하시다
Correct: 할머니가 밥을 드세요. (Grandmother eats a meal.)
Incorrect: ❌ 할머니가 밥을 먹으세요. ❌ (This is grammatically wrong!)
Correct: 아버지가 주무세요. (Father is sleeping.)
Incorrect: ❌ 아버지가 자세요. ❌ (This is very rude!)

Rule 3: Honorific Particles

When you use an honorific verb, you should also use the honorific subject particle. The particle 이/가 becomes -께서.

  • Neutral: 친구 말해요. (My friend speaks.)
  • Honorific: 선생님께서 말씀하세요. (The teacher speaks.)

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