This is the 19643rd most frequent Korean word.
언니들은
"Older sisters" (for females, plural).
In this context, '언니들' refers to older female siblings in relation to the speaker or the subject being described.
언니들은 항상 동생을 챙겨요.
Older sisters always take care of their younger siblings.
Here, '언니들' is used to denote a group of older women who are admired or respected, emphasizing their qualities.
언니들은 정말 멋있어 보여요.
The older sisters look really cool.
In this sentence, '언니들' refers to older female siblings and describes their behavior in a playful manner.