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 The baseline stability provided by these long-term extensions allowed both corporate entities to structure a prolonged utility contract. Aman Tripathi, Interesting Engineering, 24 June 2026 Webb signed a five-year, $90 million extension in April 2024, taking him through the 2028 season. Justice Delos Santos, Mercury News, 24 June 2026 Activism appears here not as a break with Rollerena’s earlier public role, but as its necessary extension. Emilie Hardman, JSTOR Daily, 24 June 2026 Last January, Chawinga signed an extension to stay in Kansas City through 2028. Pj Green, Kansas City Star, 24 June 2026 See All Example Sentences for extension
Recent Examples of Synonyms for extension
Noun
  • Unlike dynamic stretching, static stretching holds muscles in a lengthened position for an extended period.
    Hannah Harper, Health, 1 July 2026
  • Pre-production ran from January to April 2025, with post-production stretching from May 2025 through March 2026.
    Naman Ramachandran, Variety, 30 June 2026
Noun
  • Wade is the first free-agent addition to the Sixers since Mike Gansey replaced Daryl Morey as the team's new president of basketball operations.
    Tom Ignudo, CBS News, 1 July 2026
  • Its newest addition—part of hotelier Ian Schrager’s Edition chain—is a decidedly more subdued affair, and that’s by design.
    Condé Nast, Condé Nast Traveler, 1 July 2026
Noun
  • 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 5 Jul. 2026.

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