1
: a female who has one or both parents in common with another
2
often capitalized
a
: a member of a women's religious order (as of nuns or deaconesses)
especially
: one of a Roman Catholic congregation under simple vows
b
: a girl or woman who is a member of a Christian church
3
a
: a girl or woman regarded as a comrade
b
: a girl or woman who shares with another a common national or racial origin
especially
: a Black girl or woman
4
: one that is closely similar to or associated with another
sister cities
5
chiefly British
: nurse
7
: a member of a sorority
Examples of sister in a Sentence
The sisters live in the convent.
Recent Examples on the Web
The Cheers actor bragged about the career success of his sister Kathy's son, who happens to be none other than Jason Sudeikis, on Mondays episode of the Still Here Hollywood podcast with Steve Kmetko.
—
Raechal Shewfelt, EW.com, 4 June 2024
His family says officers have it wrong Angela Lewis, the mother of Lewis, said her son was inside the home unaware of what was happening when his sister bailed from the car and ran into the home through a rear door as law enforcement officers approached on the front lawn.
—Grethel Aguila, Miami Herald, 4 June 2024
The Australian singer Dannii Minogue — younger sister of gay diva Kylie — plays host at a swank mansion where 10 single young men meet, mingle and make out in hopes of finding a partner, or at least a lover (or if that doesn’t last, maybe a hot friend with benefits?).
—Erik Piepenburg, Los Angeles Times, 3 June 2024
Rajbir Randhawa’s midtown Sacramento restaurant opened May 15, and mostly serves vegan and gluten-free dishes — aloo tikka chaat, say, or mung bean burgers — as at sister locations in Rancho Cordova and Granite Bay.
—Benjy Egel, Sacramento Bee, 3 June 2024
See all Example Sentences for sister 
Raechal Shewfelt, EW.com, 4 June 2024
His family says officers have it wrong Angela Lewis, the mother of Lewis, said her son was inside the home unaware of what was happening when his sister bailed from the car and ran into the home through a rear door as law enforcement officers approached on the front lawn.
—Grethel Aguila, Miami Herald, 4 June 2024
The Australian singer Dannii Minogue — younger sister of gay diva Kylie — plays host at a swank mansion where 10 single young men meet, mingle and make out in hopes of finding a partner, or at least a lover (or if that doesn’t last, maybe a hot friend with benefits?).
—Erik Piepenburg, Los Angeles Times, 3 June 2024
Rajbir Randhawa’s midtown Sacramento restaurant opened May 15, and mostly serves vegan and gluten-free dishes — aloo tikka chaat, say, or mung bean burgers — as at sister locations in Rancho Cordova and Granite Bay.
—Benjy Egel, Sacramento Bee, 3 June 2024
See all Example Sentences for sister
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'sister.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near sister
Cite this Entry
“Sister.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sister. Accessed 7 Jun. 2024.
Copy CitationKids Definition
sister
noun
sis·ter
ˈsis-tər 
1
: a female who has one or both parents in common with another individual
2
often capitalized
: a member of a religious community of women : nun
3
a
: a fellow female member of a group
b
: a girl or woman who shares a common national or racial origin with another
4
: one that is closely similar to or associated with another
sister schools
sister ships
5
chiefly British
: nurse entry 1 sense 2
sisterly
adjective or adverb
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