Definition of sis
:sister
—usually used in direct address
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Recent Examples of sis from the Web
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The National Park service announced the arrival of sis-and-bro kittens P-59 and P-60 today, though the little nuggets were discovered earlier this month.
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Willow Shields Katniss Everdeen's little sis from The Hunger Games was a jealous older sister willing to sacrifice her new baby brother to a woodland creature.
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Venus’ late-career revival has stunned many tennis fans, but not younger sis.
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Perhaps then this Instagram is a subtle sign of support for her big sis?
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This honeycomb-jasmine mix is equal parts sweet and sophisticated — like the hot toddy’s cooler sis.
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My tentative youngest decided to watch her big sis first before committing to the ride.
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Equally enviable is the actress’ parade of designer shades, courtesy of THR Power Stylist Samantha McMillen (who also dresses Fanning’s older sis, Dakota).
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Big sis Kate (also known as the Duchess of Cambridge) will be there with husband Prince William and royal toddlers, George and Charlotte.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of sis
1656
SIS
abbreviation
Definition of SIS
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
noun suffix
Definition of -sis
plural -ses
:process :action
- peristalsis
Origin and Etymology of -sis
Latin, from Greek, feminine suffix of action
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