What ㅅ means
ㅅ is the Korean consonant siot, usually an s sound. Its sound changes with its place in a syllable; at the end, it has a short, unreleased t-like sound.
The Korean writing system was first recorded in 1443, and its explanatory book, Hunminjeongeum, appeared in 1446. It was designed to write Korean speech. ㅅ belongs to its original consonant set.
How do I type ㅅ?
On the Korean two-set keyboard, press T for ㅅ. Shift+T types ㅆ; adding a vowel lets a Korean input method compose a syllable block.
This standalone ㅅ is a spacing form. It does not join with other jamo to build a syllable the way ᄉ does; a Korean input method composes the syllable for you.
What does a lone ㅅ mean in a message?
By itself, ㅅ has no fixed Korean phrase. As of 2026, it can be an initial in casual Korean shorthand: the consonants give clues, and context supplies the missing parts.
In ㅅㄱ, the consonants stand for 수고, a phrase used to acknowledge someone's effort or say goodbye after working together. The surrounding conversation clarifies the intent.
The letter is neutral in Korean writing; a bare consonant in a message is casual shorthand.
A lone ㅅ is not a complete Korean word.
What it means when someone sends it to you
3 readingsDon't confuse it with
1Combination ideas
1Questions people ask
2Why does ㅅ sound like t at the end?
In Korean, ㅅ at the end of a syllable is pronounced as a short, unreleased t-like sound. Its spelling stays ㅅ.
Why won't ㅅ join a syllable?
This standalone character is a spacing form. Korean input methods use composing jamo to build a syllable block, or insert a precomposed block directly.
How to type ㅅ
ㅅ\3145Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.