extension

noun

ik-ˈsten(t)-shən How to pronounce extension (audio)
Definition of extensionnext
1
as in stretching
the act of making longer the board's extension of the school year drew howls of protest

Synonyms & Similar Words

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Antonyms & Near Antonyms
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

Synonyms & Similar Words

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 One clue is the way that Andrew Wiggins’ contract extension is laid out to create more payroll space in 2027. — Ira Winderman, Sun Sentinel, 16 Aug. 2026 In 2021, Iger stepped down as CEO after an emergency extension related to COVID. — Jack Dunn, Variety, 16 Aug. 2026 Its ethics commission is generally required to complete an investigation within 180 days, allowing for no more than two 60-day extensions when the situation warrants it. — The Editorial Board, Chicago Tribune, 16 Aug. 2026 The Seahawks agreed to terms with their top cornerback, Devon Witherspoon, on a four-year, $132 million contract extension Saturday. — Doug Kyed, Boston Herald, 15 Aug. 2026 See All Example Sentences for extension
Recent Examples of Synonyms for extension
  1. stretching
  2. addition
  3. prolongation
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
Definition of stretching
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
Definition of addition
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
Definition of prolongation

Browse Nearby Words

extends (out)
extension
extensions
See all Nearby Words

Cite this Entry

“Extension.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/extension. Accessed 17 Aug. 2026.

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More from Merriam-Webster on extension

Nglish: Translation of extension for Spanish Speakers

Britannica.com: Encyclopedia article about extension

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