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.
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 Apparently, the Meyers in Long Beach were ruled unfit as guardians, or Lynn refused to go back to them, so juvenile authorities located some blood relatives, possibly her father or half sister, and put her on a train back East. Literary Hub, 27 Jan. 2026 Even Liz and Prue, half sisters whose relationship had been punctuated by epic screaming fights, found common ground. Gabriel Sherman, Vanity Fair, 14 Jan. 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 2 Apr. 2026.

Kids Definition

half sister

noun
: a sister by one parent only

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