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Synonyms

button up

British  

verb

  1. to fasten (a garment) with a button or buttons

  2. informal to conclude (business) satisfactorily

  3. slang taciturn; silent and somewhat tense

"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

button up Idioms  
  1. Close securely, fasten, as in The house was all buttoned up , or Button up your coat—it's very cold . [Late 1500s]

  2. Also, button one's lip . Hold one's tongue, keep quiet. For example, Please button your lip about the surprise . A variant of this usage, button one's mouth , dates from the 17th century. [Mid-1800s]

  3. Finish successfully, as in I've got this report all buttoned up . [c. 1940]


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.

"With the overtake mode, the driver behind can use the boost button up to I think 330km/h, where the guy in the front can only use it to 290km/h," Russell said.

From BBC • Mar. 14, 2026

“It was never particularly clear what constitutional theory undergirded the oath of office charges. I suspect the DA’s office will button up their theory and go back to the grand jury.”

From Salon • Mar. 13, 2024

Thinking fast, Antonia and Margarita hang bags around their necks and button up their coats over them.

From Los Angeles Times • Apr. 1, 2022

“If brands don’t want to be a victim of these platforms, then they have to button up their distribution and reduce wholesale volumes to protect their image,” Solca said.

From Seattle Times • Aug. 25, 2021

When the coat puffed up, she’d quickly button up the spirit inside and hurry it home to the child’s body in bed.

From "The Woman Warrior" by Maxine Hong Kingston

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