Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

knock sb up

(MAKE PREGNANT) slang phrasal verb with knock
 
/nɒk/
 
US  /nɑːk/ verb

Definition

to make a woman pregnant: You don't want to get knocked up by some guy you hardly know.Sexual intercourse
(Definition of knock sb up (MAKE PREGNANT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Word of the Day

a cloud on the horizon

something which threatens to cause problems or unhappiness in the future

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More