Definition of extensionnext
1
as in stretching
the act of making longer the board's extension of the school year drew howls of protest

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2
as in addition
a smaller structure added to a main building the new extension will connect the house with what is now a freestanding garage

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Example Sentences

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.
Recent Examples of extension Lions Associate Head Coach Scottie Montgomery said Gibbs earned the extension through both his production and his professionalism. CBS News, 8 Aug. 2026 Residential investment lending has become a natural extension of that trend as real estate transactions grow more specialized and time-sensitive. Malana Vantyker, Miami Herald, 7 Aug. 2026 Forst announced an extension through 2026 during an end-of-season video call with reporters, though details of his contract were not disclosed. Sean Campbell, Sacbee.com, 7 Aug. 2026 Per the union’s release, the group received a six-month extension to the end of 2026 in its license to operate at LAX. Chiara Kim, PEOPLE, 7 Aug. 2026 See All Example Sentences for extension
Recent Examples of Synonyms for extension
Noun
  • Snapshot is a stirring blend of gothic noir; horror documentary and found footage stretching reality in an innovative way.
    Melanie Goodfellow, Deadline, 12 Aug. 2026
  • Dancing, jumping, stretching, walking or playing outside all give kids a healthy way to support their body’s natural regulation.
    Samantha Agate, Fort Worth Star-Telegram, 10 Aug. 2026
Noun
  • Then there’s the hotel’s latest addition as of April, The Baths.
    Condé Nast, Condé Nast Traveler, 13 Aug. 2026
  • Marc Cucurella’s transfer to Madrid and Lucas Digne’s to PSG are the only new additions to the list from this summer’s window.
    Anantaajith Raghuraman, New York Times, 13 Aug. 2026
Noun
  • Also, ibogaine’s prolongation of the heart’s QT intervals carries a real risk of fatal arrhythmia.
    Michelle Lhooq, New Yorker, 7 Aug. 2026
  • The prolongation was 242 days in 2023 and 346 days in 2024, according to the report.
    Steve Sadin, Chicago Tribune, 17 Mar. 2026

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Cite this Entry

“Extension.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/extension. Accessed 15 Aug. 2026.

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