sister

In real, traceable use. Part of the curated seed collection; community review is coming.

Also seen as: suster · sista · sistah · sustah

Sense 1

Meaning · English

A daughter of the same parents as another person; a female sibling.

Where it’s used: Used American English

Examples

My sister is always driving me crazy.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Sense 2

Meaning · English

A female member of a religious order; especially one devoted to more active service; (informal) a nun.

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Sense 3

Meaning · English

Any butterfly in the genus Adelpha, so named for the resemblance of the dark-colored wings to the black habit traditionally worn by nuns.

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “sister” mean?

A daughter of the same parents as another person; a female sibling.

Is “sister” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.