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wait up

British  

verb

  1. to delay going to bed in order to await some event

  2. informal to halt and pause in order that another person may catch up

"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

wait up Idioms  
  1. Postpone going to bed in anticipation of someone or something, as in My parents always wait up until I get home, no matter how late it is . [Mid-1800s]

  2. Stop or pause so that another can catch up, as in Let's wait up for the stragglers , or Don't walk so fast; wait up for me . [ Colloquial ]


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.

Senior bankers have had to wait up to eight years to collect their bonus in full to make sure the deals they were being rewarded for turned out to be profitable longer term.

From BBC • Oct. 15, 2025

Ms Brewster said that people can wait up to eight years for a diagnosis as it required a laparoscopy, a keyhole surgery procedure, to confirm the condition.

From BBC • Oct. 2, 2025

She’s been denied a mortgage and several other loans, while many of her employees have had to wait up to two weeks for their paychecks to clear.

From New York Times • Nov. 18, 2023

In some cases, migrants may wait up to a decade for a court date.

From Seattle Times • Nov. 1, 2023

“Don’t you want to wait up for Mom?” he asks.

From "Finding Junie Kim" by Ellen Oh

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