Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “code”

See all translations

code

noun
 
 
/kəʊd/
SECRET MESSAGE [C, U] B2 a set of letters, numbers, or signs that are used instead of ordinary words to keep a message secret: The message was written in code. They were trying to break (= understand) the enemy's code.Codes and decodingSigns, signals and symbols
TELEPHONE [C] UK ( UK/US area code) a set of numbers used at the beginning of all the telephone numbers in a particular areaCommunicating by telephone
RULES [C] a set of rules on how to behave or how to do things: a code of conduct/practice The club has a strict dress code (= rules about what you wear). →  See also bar code , zip code Morality and rules of behaviourPhilosophyRules and laws
(Definition of code from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

More Learner's Dictionary definitions for “code”

Definitions of “code” in other dictionaries

Word of the Day

be in/out of luck

to be able/unable to have or do what you want

Word of the Day

A certain je ne sais quoi: French words and phrases used in English

by Liz Walter,
January 21, 2015
It is an odd irony that the more sophisticated your use of English is, the more likely you are to use French words and phrases. Or, to be more accurate, ones you know to be French – words such as ballet, au pair, abattoir, fiancé, café, and restaurant are so entrenched in

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More