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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.

See Examples For:

Some mothers can wait up to six months for assessment and up to a year for one-to-one treatment, according to a 2024 report by the Maternal Mental Health Alliance.

From BBC Oct. 14, 2025

This year Coachella replaced its first come first-come, first-served system for campers with a reservation-style programme, forcing attendees to wait up to 12 hours in their vehicles in scorching desert temperatures with limited facilities.

From BBC Apr. 13, 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

For me, this made so much more sense than holding off dinner or having the girls wait up sleepily for a hug.

From "Becoming" by Michelle Obama

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