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Definition of sis

sis

/sɪs/
sis
Plural:sisses
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sis Lexical Profile

sis Game Scores & Validity

• noun

1

An informal or affectionate term for one's sister, or a familiar form of address for a close female friend.

Example

"My little sis is graduating from high school next month."

Synonyms
View all synonyms for sis
Antonyms
View all antonyms for sis

• Rhymes for sis

• Nearby Words

sirloin
sirree
sirystes
sis
sisal
siskin
sissified

Word Origin & Etymology

Formed in the mid-17th century by clipping the English noun 'sister'.

Cite this Entry

Wordmom. (2026). Definition of Sis. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/sis
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