This is the 7393rd most frequent Korean word.
척
"척" refers to a pretense, appearance, or act of behaving as if something is the case.
Used to indicate pretending or acting like something.
그는 나를 본 척도 하지 않았다.
He pretended not to see me.
Used to imply pretending to possess a knowledge or skill.
그녀는 아는 척하며 대화를 이끌었다.
She led the conversation by pretending to know.
Used to describe feigned behavior or appearance.