여럿 (yeoreot) means “several” | MotiTan Korean Dictionary

More examples

여럿 중 한 명이 약속에 늦었어요.yeo reot chung han myeong i yak sso ge neu seo sseo yo

One of several people was late for the appointment.

An unspecified collection of more than one person or thing.

몇몇myeonmyeot: Some members of a larger group, with the exact ones left unnamed.

수나 양이 정확하지 않은 몇 사람이나 물건을 한데 묶어 가리키는 말.su na yang i cheong hwa ka ji a neun myeot sa ra mi na mul geo neul han de mu kkeo ka ri ki neun mal

The native Korean word 여럿 (yeoreot, "several") is formed around the idea of an inexact number or amount.

It is a natural choice when the exact number is unimportant, while a specific count is better expressed with a number and a counting word.