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 In addition, defensive tackle Zach Sieler was awarded a three-year, $64 million contract extension in August. Chris Perkins, Sun Sentinel, 11 Feb. 2026 Plus, Tuipulotu is eligible for a contract extension. Elliott Teaford, Oc Register, 11 Feb. 2026 The lender doesn’t want to foreclose, so in some cases the borrower may inject fresh equity into the loan, not enough to refinance but enough to buy an extension. Diana Olick, CNBC, 11 Feb. 2026 Several of Illinois’ nearly 9,000 local governments, such as Chicago Public Schools and suburban school districts, have raised their extensions to the maximum allowed between 2021 and 2024. Joe Ferguson, Chicago Tribune, 11 Feb. 2026 See All Example Sentences for extension
Recent Examples of Synonyms for extension
Noun
  • Regular stretching can reduce muscle tension, improve posture, and help prevent discomfort, stiffness, and potential injuries over time.
    Wendy Rose Gould, Martha Stewart, 4 Feb. 2026
  • There’re proper stretching routines.
    Patrick McEnroe, New York Times, 28 Jan. 2026
Noun
  • In addition to the Sierra population, there are about 20 Sierra Nevada red foxes living in the Cascade mountain range of Northern California.
    Clara Harter, Los Angeles Times, 11 Feb. 2026
  • In addition to academic affairs, the provost oversees seven other offices focused on faculty, graduate studies and enrollment.
    Lily Kepner, Austin American Statesman, 10 Feb. 2026

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Cite this Entry

“Extension.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/extension. Accessed 14 Feb. 2026.

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