sis

1 of 3

noun

ˈsis

: sister

—usually used in direct address

SIS

2 of 3

abbreviation

Secret Intelligence Service

Note: The Secret Intelligence Service is a British government agency that is responsible for the collection and analysis of information about foreign countries or groups.

-sis

3 of 3

noun suffix

plural -ses

: process : action

peristalsis

Examples of sis in a Sentence

Recent Examples on the Web

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Noun

Birthday Wishes For An Older Sister Happy birthday, big sis! —

Kait Hanson, Southern Living, 5 Dec. 2024 The relieved smile is a complete 180 from moments before, and the video ends on Jenner smiling, too, clearly proud that her big sis overcame her fear. —

Marci Robin, Allure, 19 Nov. 2024 In the pictures, Miles posed with his mother for a selfie, as Esti also posed with Teigen. Esti and her big sis Luna were then filmed playing with bubbles, while Wren was captured sitting on a picnic blanket. —

Gabrielle Rockson, People.com, 30 Sep. 2024 Cardi says as big sis Kulture, 6, says hi to her mom and asks if the baby is sleeping while little brother Wave, 3, hangs in the background. —

Gil Kaufman, Billboard, 16 Sep. 2024 See all Example Sentences for sis