sister

noun

sis·​ter ˈsi-stər How to pronounce sister (audio)
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
6
a
: girl, woman
b
: person
usually used in the phrase weak sister
7
: a member of a sorority

Examples of sister in a Sentence

The sisters live in the convent.
Recent Examples on the Web In high school, my older sister drove a 1972 Pontiac Catalina. Lyz Lenz, Rolling Stone, 16 Feb. 2024 The Favela sisters, Jennifer and Blanca, are looking for titles in back-to-back weights at 100 and 105 pounds, respectively. Kevin J. Farmer, San Diego Union-Tribune, 16 Feb. 2024 He is survived by his sister, Jeannie, his three sons Ken, Bob Jr., and David, and his grain company, which has been employee-owned since 2010. Shilpa Uskokovic, Bon Appétit, 15 Feb. 2024 Members of Jensen’s family, including his daughter, younger sister and two nieces who never met their uncle, gave victims’ statements Friday. Kevin Fixler, Idaho Statesman, 15 Feb. 2024 Both Edge-class sister ships have the same spectacular amenities and features, including a state-of-the-art spa and fitness center that’s sure to impress wellness-seekers, who will also be happy in one of the AquaClass Sky Suites, which offer in-room yoga mats and fitness equipment. Lauren Dana Ellman, Travel + Leisure, 15 Feb. 2024 The actor also shared a sweet photo of daughter Carmen, 3, meeting Snow White. 67 of 74 Kourtney Kardashian Before jetting off to Mexico and Puerto Rico with younger sister Kim Kardashian West and 14 friends, Kourtney Kardashian celebrated her 38th birthday closer to home, at Disneyland. Mackenzie Schmidt, Peoplemag, 15 Feb. 2024 His 8-year-old sister watches closely and is starting to head in the same direction. Jeanne Phillips, The Mercury News, 15 Feb. 2024 The shopping destination is inspired by the history and craftsmanship of Lake Como and is meticulously curated by Valentina and her mother, Antonella De Santis, to capture the unique experience and sensibility of both Grand Hotel Tremezzo and its new sister hotel across the lake, Passalacqua. Gabby Shacknai, Forbes, 14 Feb. 2024 See More

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.

Word History

Etymology

Middle English suster, sister, partly from Old English sweostor and partly from Old Norse systir sister; akin to Latin soror sister, Sanskrit svasṛ

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of sister was before the 12th century

Dictionary Entries Near sister

Cite this Entry

“Sister.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sister. Accessed 1 Mar. 2024.

Kids Definition

sister

noun
sis·​ter ˈsis-tər How to pronounce sister (audio)
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

Medical Definition

sister

noun
sis·​ter ˈsis-tər How to pronounce sister (audio)
chiefly British
: a head nurse in a hospital ward or clinic
broadly : nurse
Last Updated: - Updated example sentences
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