sis

1 of 3

noun

: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Taking place the weekend after her big sis (April 25 to 27), Stagecoach will bring Zach Bryan, Jelly Roll, Luke Combs, Lana Del Rey, and T-Pain out to the desert. Jennifer Zhan, Vulture, 25 Mar. 2025 The 25-year-old gave us a sneak peek into how pregnancy is going for her and sis is glowing. Elizabeth Ayoola, Essence, 27 Feb. 2025 Eve’s sis Maggie (Julianna Margulies), a novelist who dips into her personal life liberally for inspiration, bickers a lot with her judgmental but fawning husband Nick (Campbell Scott), a novelist bitten by the writer’s block. Randy Myers, The Mercury News, 20 Feb. 2025 Big sis advice Reyes also pointed out a broader shift in how people approach fashion today, compared with the heyday of millennial style. Dan Perry, Newsweek, 1 Mar. 2025 See All Example Sentences for sis

Word History

Etymology

Noun suffix

Latin, from Greek, feminine suffix of action

First Known Use

Noun

1596, in the meaning defined above

Time Traveler
The first known use of sis was in 1596

Browse Nearby Words

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Cite this Entry

“Sis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sis. Accessed 21 Apr. 2025.

Last Updated: - Updated example sentences
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