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

Sweetin plays Lucy, a fifth-grade teacher who is surrounded by love — her parents are celebrating their 40th anniversary and her sister is expecting her first child — but feels anything but lucky in that department. — Lindsey O'connell, Woman's Day, "Exclusive! Watch a Sneak Peek of Hallmark Channel’s New Movie with Jodie Sweetin from 'Fuller House'," 5 Mar. 2019 He was surrounded by his children Jack and Sophie, fiancé Wendy Madison Bauer, ex-wife Minnie Sharp, mother Ann Bennett, step-father Steve Bennett, brother Tom Perry, sister Amy Coder, and other close family and friends. — Carolyn Twersky, Seventeen, "Luke Perry of "Riverdale" Has Passed Away at 52 After a Massive Stroke," 4 Mar. 2019 Please tell me this is not a story about my sister and me. — Adam Rathe, Town & Country, "Lee Radziwill Has Died," 16 Feb. 2019 My grandmother would sew exquisite Waterford-silk party dresses for my sister and me every Christmas and birthday and had a coffee can full of spare buttons. — Alden Wicker, Vox, "The spare button represents all the ways we fail to be good consumers," 14 Dec. 2018 Behind closed doors, there's no reason to think that things are any different—Kate has reportedly been comforting Meghan during the new royal's family drama with sister Samantha and father Thomas Markle. — Katherine J. Igoe, Marie Claire, "Every Photo of Kate Middleton and Meghan Markle That Disproves Those Feud Rumors," 16 Feb. 2019 Edgar Ramirez, who played Gianni in the series, Penelope Cruz, who played Gianni's sister Donatella, and Darren Criss, who gave a haunting performance as Andrew Cunanan, were all nominated for individual acting awards as well. — Maggie Maloney, Town & Country, "The Cast of American Crime Story Makes a Glamorous Appearance at the Golden Globes," 7 Jan. 2019 Domingo plays Tish’s father Joseph, a tender, supportive parent to Tish and her sister, and a loving husband to Sharon (Regina King). — Alissa Wilkinson, Vox, "If Beale Street Could Talk’s Colman Domingo on how movie roles for black men are changing," 14 Dec. 2018 My brother right below me speaks Spanish and my sister kind of does. — Candice Frederick, Harper's BAZAAR, "Justina Machado Is One of the Most Dynamic Actresses on TV," 8 Feb. 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.