half sister

noun

: a sister related through one parent only

Examples of half sister in a Sentence

Emily is my half sister.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
His daughter was a 16-year-old honor student from North Carolina visiting her half sister in Northwest Baltimore when she was killed just after Christmas in 2010. Mike Hellgren, CBS News, 20 Apr. 2026 This tale follows three women — influential Aunt Lydia (Ann Dowd), and half sisters Agnes and Daisy — as the ruling theocratic regime crumbles. Rachel Raposas, PEOPLE, 1 Apr. 2026 Rounder’s family includes her mother and her half sister. Elizabeth Kolbert, New Yorker, 26 Mar. 2026 Folan is survived by sons Michael and Matthew; seven grandchildren; brother Harold Hamilton; and half sister Melinda Moon. Greg Evans, Deadline, 23 Mar. 2026 See All Example Sentences for half sister

Word History

First Known Use

13th century, in the meaning defined above

Time Traveler
The first known use of half sister was in the 13th century

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Cite this Entry

“Half sister.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/half%20sister. Accessed 26 Apr. 2026.

Kids Definition

half sister

noun
: a sister by one parent only

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