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Synonyms

tighten

American  
[tahyt-n] / ˈtaɪt n /

verb (used with or without object)

  1. to make or become tight or tighter.

    Synonyms:
    fasten, anchor, secure

tighten British  
/ ˈtaɪtən /

verb

  1. to make or become tight or tighter

  2. to economize

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of tighten

First recorded in 1720–30; tight + -en 1

Explanation

To tighten something is to draw it snug or squeeze it. Your cousin's crazy driving may cause you to tighten your seatbelt and close your eyes. You can tighten things literally, the way you tighten the lid of a jar or tighten your hold on your best friend's hand as you enter a haunted house together. There's also a figurative way to tighten, like when a library tightens its rules about talking or a restrictive government tightens control over what newspapers are allowed to print. Before tighten appeared in the 18th century, the verb was tight.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

She is among the hundreds of Bangladeshis who have gathered over two days at Hakimpur in India's West Bengal state, police said, hoping to cross back as authorities tighten enforcement under a new state government.

From Barron's • May 29, 2026

Davies agreed the onus should be on social media platforms to tighten up safety measures and added adults were also guilty of misusing social media.

From BBC • May 25, 2026

For supporters, the effort represents a long-promised attempt to tighten immigration controls and redefine American citizenship more narrowly.

From Salon • May 24, 2026

Right now, the market appears “comfortable watching balances tighten gradually without aggressively repricing crude higher, because there remains a broad belief that the strait will reopen before true tank bottoms become visible,” Babin said.

From MarketWatch • May 18, 2026

She reached up to tighten her jade headband.

From "The Many Assassinations of Samir, the Seller of Dreams" by Daniel Nayeri

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