Thesaurus
British
Synonyms & Antonyms of knock up
to cause to stop sleeping
- I asked the clerk at the hotel to knock me up at 7:00 a.m.
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Cite this Entry
“Knock up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/knock%20up. Accessed 4 Aug. 2021.
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Time Traveler for knock up
The first known use of knock up was in 1592
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