code · noun /koʊd/Full view
B2 C or U a system of words, letters or signs that is used to represent a message in secret form
Dictionary examples:

The message was written in code.

She managed to break/crack the code.

Learner example:

The purpose was to discover secret codes of the e[n]emy thanks to electronic intelligence. (First Certificate in English; B2; French)

code (RULES)
C1 C a set of rules on how to behave or how to do things
Dictionary examples:

a code of conduct

The club has a strict dress code.

Learner example:

Most of their manners, dress code, personal conduct and their general well-being is taught at school. (International English Language Testing System; C1; Afrikaans)

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