This is the 19644th most frequent Korean word.
언니와
"언니와" means "with (the) older sister" when a female speaker is referring to her older sister.
In this sentence, '언니와' indicates accompaniment, meaning 'with older sister.'
언니와 함께 공원에 갔다.
I went to the park with my older sister.
Here, '언니와' is used to connect the subject 'older sister' with the speaker to indicate comparison or a shared context.
언니와 나는 취미가 비슷하다.
My older sister and I have similar hobbies.
In this sentence, '언니와' highlights conversational interaction, meaning 'with older sister.'