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

5 chiefly British : nurse

6a : girl, woman

b : person —usually used in the phrase weak sister

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

As the youngest Lannister, his father Tywin and his older sister Cersei utterly despised him for his appearance and the fact that his birth led to the death of his mother. — Ineye Komonibo, Marie Claire, "Tyrion Lannister Needs to Die Already on 'Game of Thrones'," 13 May 2019 Allie ends up starting an investigation to figure out who killed her sister after the town goes into high alert after hearing that there is someone out there ready to kill. — Tamara Fuentes, Seventeen, "Who Killed Cassandra on "The Society"?," 13 May 2019 The mother who died in a Harlem apartment fire with four of her children and a family friend loved to cook and often brought meals to the needy, her sister said Wednesday. — Katie Honan, WSJ, "Mom Killed in Harlem Blaze Known as Loving Cook," 8 May 2019 Seems his sister still blames him for the death of their mother while giving birth to him. — John Carucci, The Seattle Times, "It’s not too late to dive into ‘Game of Thrones,’ with help," 13 Apr. 2019 His sister had died unexpectedly seven years earlier, so Ben's death left the three children without parents. — Tamara Fuentes, Country Living, "Luke Bryan and His Wife Caroline Boyer Have the Most Relatable Love Story," 28 Mar. 2019 In Moon Rising, Lucas has seized control, and the only person who can stop him is his sister, Ariel. — Andrew Liptak, The Verge, "All the science fiction and fantasy books we’re looking forward to in 2019," 30 Dec. 2018 Hadid recalls two pieces in particular that shaped his love of jewelry, including one belonging to his sister Bella, a necklace that had angels, two swords, and manuscripts. — Liana Satenstein, Vogue, "Anwar Hadid Wants Everyone to Wear His Unisex Jewelry Label," 8 Apr. 2019 Her color typically fluctuates between jet black and chocolate brown, a strong contrast to her sister Gigi's lighter strands. — Leah Prinzivalli, Allure, "Bella Hadid Dyed Her Hair Dirty Blonde — and She Looks So Much Like Gigi Now," 26 Mar. 2019

These 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.