code (A1)

noun

Pronunciation: /koʊd/

Definition

A system of words, letters, or symbols used to represent others, especially for the purposes of secrecy or brevity.

Examples

• The spy used a secret code to send messages.

• Can you crack this code?

• The message was written in a simple substitution code.

How to Use code

code of conduct (collocation)

A set of rules about how to behave. — "Employees must follow the company's code of conduct."

code for (prepositional phrase)

Instructions written for a specific purpose or system. — "This code is for the new security system."

Synonyms of code

Words with a similar meaning to code:

• cipher
• key
• cryptograph

Antonyms of code

Words with the opposite meaning to code:

• plain text
• cleartext

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