A sister is a person who shares the same parents. Sisters can be older or younger.
She is my little sister.
My sister loves to play games.
This use of 'sister' refers to a woman who is part of a larger group, such as a social or charitable organization. It shows connection and support among members.
She is a sister of the local charity.
Join our sister organization for support.
In casual speech, 'sister' can be used to refer to a close friend or confidante. It communicates warmth and closeness.
You're my sister at heart.
I love my sister, she's always there.
