Synonyms of extension

extension

noun

ik-ˈsten(t)-shən 

1

as in stretching

the act of making longer

the board's extension of the school year drew howls of protest

Synonyms & Similar Words

• stretching
• prolongation
• lengthening
• elongation
• prolonging
• drawing out

Antonyms & Near Antonyms

• shortening
• curtailment
• abbreviation
• cutback
• abridgment

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

• addition
• annex
• wing
• penthouse
• arm
• ell

Example Sentences

Recent Examples of extension

For now, that’s in the hands of general manager Alex Anthopoulos — who must decide on the first of two $17 million club options (or offer an early extension). — Tyler Estep, AJC.com, 9 Oct. 2026

The extension comes on the heels of consistent growth across MLR’s broadcast efforts and channels, including a 25% increase year over year for matches broadcast on ESPN2. — Sportico Staff, Sportico.com, 9 Oct. 2026

Cowboys cornerback DaRon Bland, who was given a contract extension due largely to his ability to intercept passes and return them for touchdowns, dropped a sure pick-six late in the fourth quarter that would have changed the game. — Fort Worth Star-Telegram, 9 Oct. 2026

In Kansas, a theme park was originally slated to debut in 2026 but received a formal operating deadline extension to May 2031. — Los Angeles Times, 9 Oct. 2026