Thesaurus

knock up

verb
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.

Synonyms for knock up

Words Related to knock up

Near Antonyms for knock up

Antonyms for knock up

See the Dictionary Definition 

Keep scrolling for more

Learn More about knock up

Time Traveler for knock up

Time Traveler

The first known use of knock up was in 1592

See more words from the same year

Cite this Entry

“Knock up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/knock%20up. Accessed 10 Aug. 2020.

More from Merriam-Webster on knock up

Dictionary: Definition of knock up

Rhyming Dictionary: Words that rhyme with knock up

Comments on knock up

What made you want to look up knock up? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!