sister

word

/ˈsɪstɝ/
SIS-ter
/sˈɪstɐ/
SIS-tuh

Definition

A sister is a female sibling; the girl or woman who has the same parents as you. Sometimes it can also mean a close female friend or a member of a group with a shared identity.

Usage & Nuances

Common in both formal and informal English. Use "half-sister" for someone who shares only one parent with you. Sometimes used figuratively: "She's like a sister to me" (very close friend), or in religious and organizational contexts ("Sister Mary").

Example Sentences

My sister is younger than me.

basic

She is like a sister to me, even though we're not related.

natural

Do you have a sister?

basic

My sister likes to play tennis.

basic

My older sister gives me the best advice.

natural

All the sisters in the choir wore white dresses.

natural