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Sis
01
a female person who has the same parents as another person
Grammatical Information
Animacy status
Human
Composition
Simple
Countable
Plural form
sisters
02
a friendly or affectionate term used to address someone
Slang
What does "sis" mean in slang?
The term "sis" is a casual, often affectionate way to address a female friend or peer. The structure is a shortened form of "sister," used metaphorically to signal familiarity or solidarity rather than biological relation. It is commonly used in texting, social media, and everyday speech. Depending on tone, it can be genuinely supportive or lightly sarcastic.
Examples
Sis, you need to calm down and listen.
