EXTENSION Synonyms: 18 Similar and Opposite Words

extension

noun

ik-ˈsten(t)-shən

Definition of extension

as in stretching

the act of making longer the board's extension of the school year drew howls of protest

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

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 The 49ers have been looking for a trade partner for Aiyuk, who signed a four-year, $120 million extension with the 49ers in August 2024. — Ryan Gaydos, FOXNews.com, 5 July 2026 On Friday, Bass and Solis also announced an extension of multiple community mobile health clinics this weekend and next week in partnership with community health providers for those affected by the fire. — City News Service, Daily News, 4 July 2026 By not signing Rosenqvist to a contract extension before the 110th Indianapolis 500 last month, Rosenqvist’s value rose tremendously in a short period of time and will presumably lure him back to Arrow McLaren. — Bruce Martin, Forbes.com, 4 July 2026 Pavel Mintyukov signs contract extension with Ducks Defenseman Pavel Mintyukov has agreed to five-year contract extension worth $36 million with the Ducks, a person with knowledge of the negotiations told the Associated Press. — Assistant Sports Editor, Los Angeles Times, 6 July 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

Definition of stretching

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

Definition of addition

Browse Nearby Words

extends (out)

extension

extensions

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Style

“Extension.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/extension. Accessed 7 Jul. 2026.

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Synonyms of extension

noun

Example Sentences

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