sister
noun
sis·ter
| \ ˈsi-stər
\
\
Definition of sister
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
3a
: 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
7
: a member of a sorority
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Examples of sister in a Sentence
The sisters live in the convent.
Recent Examples on the Web
It's been widely reported that both George and younger sister Charlotte have been taking ballet with the full support of Prince William and wife Kate. — Chris Gardner, The Hollywood Reporter, "Lara Spencer Apologizes for Mocking Prince George's Love of Ballet on 'Good Morning America'," 23 Aug. 2019 At some point, Galvin’s sister and kids came by the home on Jewett Street, in Newton Corner. — Steve Annear, BostonGlobe.com, "A roughly 8-foot python is missing in Newton," 22 Aug. 2019 Less grand was Charleston, the Bloomsbury group clubhouse that was presided over by Woolf’s painter sister Vanessa Bell. — Vogue, "Inspired by Vita & Virginia, 5 Takes on English Country Style," 22 Aug. 2019 Giovanna Dominguez, sister to Dominguez and Felix’s girlfriend, suffered serious burns. — Pauline Repard, San Diego Union-Tribune, "Guilty verdicts in DUI hit-run crash in Miramar that led to 2 deaths, 1 serious injury," 22 Aug. 2019 Twin sister Liz Vandevelde heads the defense after posting 671 digs last season. — Dennis Victory, al, "Class 7A matchup highlights AHSAA volleyball opening-day play," 22 Aug. 2019 Nadine is predeceased by her parents; sister Yvonne (Bonnie) Tietge & brother, Tom Boom. — sun-sentinel.com, "Deaths in South Florida: 8/22," 22 Aug. 2019 Their daytime sister restaurant Ivy on 7th opened next door in April. — Josie Sexton, The Denver Post, "New winery, bar and bistro coming to the old Govnr’s Park Tavern space," 20 Aug. 2019 Next door is its sister property, Hotel Renovo, a little family and budget-friendlier, with a pool, weekly live music and a small lobby bar. — Melanie D.g. Kaplan / Washington Post, Twin Cities, "Des Moines is on the move with an emerging food and cocktail scene," 20 Aug. 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sister.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for sister
sister
noun
English Language Learners Definition of sister
: a girl or woman who has one or both of the same parents as you
informal
—used when talking to a woman
: a member of a religious community of women
See the full definition for sister in the English Language Learners Dictionary
sister
noun
sis·ter
| \ ˈsi-stər
\
\
Kids Definition of sister
1
: a female person or animal related to another person or animal by having one or both parents in common
2
: a member of a religious society of women : nun
3
: a woman related to another by a common tie or interest
sister
noun
sis·ter
| \ ˈsis-tər
\
\
Medical Definition of sister
chiefly British
: a head nurse in a hospital ward or clinic
broadly
: nurse
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