littermate

noun

lit·​ter·​mate ˈli-tər-ˌmāt How to pronounce littermate (audio)
: one of the offspring in a litter in relation to the others

Examples of littermate in a Sentence

Recent Examples on the Web
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According to Turner, Kaiko and her littermates lived outdoors in a pen from birth until she was rescued at around nine months old. Alice Gibbs, MSNBC Newsweek, 31 Mar. 2026 Gold Nugget — whose full name is Daisy Labubu Gold Nugget — beat out her littermates George Kibble and Sourdough Sam for a spot on Puppy Bowl’s Team Ruff this year. Bee Staff february 6, Sacbee.com, 6 Feb. 2026 The puppies, both females, were likely littermates: They were found within about 6 feet of each another and shared some DNA characteristics, according to research published last year in Quaternary Research. Evan Bush, NBC news, 14 Jan. 2026 Quinn was among eight teams that graduated and five littermates that were selected by the ATF for specialized accelerant detection training. Jt Moodee Lockman, CBS News, 17 Nov. 2025 See All Example Sentences for littermate

Word History

First Known Use

1921, in the meaning defined above

Time Traveler
The first known use of littermate was in 1921

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Cite this Entry

“Littermate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/littermate. Accessed 5 Apr. 2026.

Kids Definition

littermate

noun
lit·​ter·​mate -ˌmāt How to pronounce littermate (audio)
: one of a litter of offspring considered in relation to the other members of the litter
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