The Possessive Particle '-의'
What is '-의'?
The particle -의 is the primary way to show possession in Korean. It's attached to a noun (the owner) to show its relationship to another noun (the thing owned). It's similar to using an apostrophe 's' (like in "friend's book") or 'of' (like in "the history of Korea") in English.
How to Use It
Using -의 is very straightforward. You simply attach it directly to the end of the first noun (the possessor), regardless of whether it ends in a consonant or a vowel.
The basic structure is: Noun 1 (Owner) + 의 + Noun 2 (Owned)
친구 + 의 → 친구의 (friend's)
선생님 + 의 → 선생님의 (teacher's)
한국 + 의 → 한국의 (Korea's / of Korea)
For example:
이것은 친구의 책이에요. (This is my friend's book.)
저는 한국의 역사에 관심이 많아요. (I'm interested in the history of Korea .)
Pronunciation and Common Contractions
Pronunciation of '-의'
While the official pronunciation of the vowel 의 is [ui], this can be tricky. When -의 is used as the possessive particle, it is very commonly pronounced as [에] , similar to the particle 에 . This simplification makes speaking smoother.
친구의 책 is often pronounced like [친구에 책].
우리의 약속 is often pronounced like [우리에 약속].
Listening for this [에] sound can help you recognize the possessive particle in natural-speed conversation.
Common Contractions
In everyday speech, certain pronouns combined with -의 are almost always shortened into contractions. Using these is essential for sounding natural.
Original Form · Contracted Form · Meaning
나의 · 내 · my (casual)
저의 · 제 · my (humble/formal)
너의 · 네 · your (casual)
A quick note on 네: Because 내 (my) and 네 (your) sound very similar, speakers often pronounce 네 as [니] to avoid confusion. You will frequently hear and see it written as 니 in informal contexts.