This is the 18990th most frequent Korean word.
씨익
A big, broad grin or smile.
In this case, "씨익" is used to describe a wide and kind smile, conveying a positive and approachable feeling.
그는 씨익 웃으며 나를 바라봤다.
He smiled broadly and looked at me.
Here, "씨익" represents a sly or playful smile, often associated with a mischievous or joking demeanor.
아이가 장난스러운 표정으로 씨익 웃었다.
The child mischievously smiled with a playful expression.
The term "씨익" is utilized to illustrate a subtle smile, perhaps portraying a sense of calm or introspection.