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
My lil sis was sweet, innocent, and had her whole life ahead of her. Pete Grathoff, Kansas City Star, 17 Apr. 2025 Later that Sunday afternoon, my sis and I drove to her old stomping grounds in Pasadena to go to a picnic thrown by friends. Leslie Kelly, Forbes, 12 Mar. 2025 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 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 4 May. 2025.

Last Updated: - Updated example sentences
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