Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “sack”

sack

noun (BED)    /sæk/
the sack [S] US informal bed: It's late - I'm going to hit the sack (= go to bed). He came home and found Judy and Brad in the sack (= in bed) together.Beds and parts of beds in the sack US informal If someone is good/bad in the sack, they are sexually skilled/not sexually skilled.Sexual activity in generalPhysical and sexual assault and abduction
(Definition of sack noun (BED) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of sack

Definitions of “sack” in other dictionaries

Word of the Day

friendship

a situation in which two people are friends

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