Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “double”

double

adjective, adverb [not gradable]  /ˈdʌb·əl/ us  

double adjective, adverb [not gradable] (TWICE)

twice the size, amount, price, etc., or consisting of two similar things together: The cost of going to the movies is almost double what it was a few years ago. Fold the blanket double (= so that it is in two layers) and then you won’t be cold. A double bed is a bed for two people. If you are seeing double, you are seeing two of everything.

double

noun [C usually sing]  /ˈdʌb·əl/ us  

double noun [C usually sing] (PERSON)

a person who looks the same as someone else: She is a double for Mary Tyler Moore.

double

verb [I/T]  /ˈdʌb·əl/ us  

double verb [I/T] (TWICE)

to become twice as much or as many, or to make something twice as much or as many: [I] Company profits have doubled in the last year. [T] For four people, just double the recipe (= make twice as much). If something or someone doubles as something or someone else, that person or thing has a second use or job: [I] The kitchen table doubles as my desk.
Phrasal verbs
(Definition of double from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of double?
Add Cambridge dictionaries to your browser to your website

Definitions of “double” in other dictionaries

Word of the Day

monster

any imaginary frightening creature, especially one that is large and strange

Word of the Day

What’s that lovely smell?

by Kate Woodford,
October 29, 2014
As adult humans, we can distinguish about 10,000 different smells. It’s no wonder, then, that we have so many words and expressions to describe them. This week we’re taking a look at those smell words – words that describe good smells and words that describe bad smells. Most smell words are either

Read More 

high-frequency trading noun

October 27, 2014
a type of stock market trading that uses very complex technology to trade extremely quickly, often making tiny profits which nevertheless add up to substantial sums Lewis’s book, Flash Boys, is driving a huge amount of attention toward the topic of high frequency trading, and it has rekindled some of

Read More