This is the 14385th most frequent Korean word.
무리
"무리" means "group," "crowd," or "excess."
In this sentence, '무리' is used to mean 'group' or 'crowd' of people moving or acting together.
그는 무리를 지어 산책을 나갔습니다.
He went for a walk in a group.
Here, '무리' carries the sense of 'excessiveness' or being 'unreasonable'.
이 모든 일을 하루 만에 끝내는 것은 무리입니다.
Finishing all this work in one day is excessive.
In this sentence, '무리' again refers to 'groups' or 'groups of people or animals.