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code

code

806 4.3
A way of using signs, letters, or numbers to hide a message
  • noun
  • /koʊd/
: código
  • The spy sent the information using a hidden code to ensure its secrecy.
  • a code word
  • QR code
  • Morse code

It's more you have to it's a message in Morris code Boo Boo.

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Examples

  • And there has to be a code word, or they won't give it to you.

    Fiction book (1991)
  • It's like a code for what they really wanna say.

  • This week's secret code is Here we go.

  • But one official said this is code word information.

  • No one's used this code in 15 years.

  • One section appeared to be written in some kind of code, and we decided to start there.

    Fiction book (1991)
  • I think it's way more a bro code thing than a girl code thing.

  • The formal vocabulary he develops is a code to which everyone works, including him.

    Academic text (1999)
  • Use the promo code Ramsey to get the best deal.

  • This week's secret code is crucial for our communication.

Synonyms

cipher
vscode
  • Specialized
29 8.8

A secret way of writing to hide a message

also covers systems used only to shorten messages rather than hide them
secret code
vscode
21 5.2

A set of words, letters or signs used to hide a message

is used more generally for secrecy or brevity, not only for a small group
cypher
vscode
  • UK
3 8.9

A secret written message that hides the true meaning

is identical in meaning but uses an alternate spelling
coding system
vscode
  • Specialized
2 3.7

A set of rules that uses signals to show letters and numbers for sending messages

is intended also for secrecy or conciseness rather than only transmission

Compounds

access code
  • Specialized
56 3.1

A set of numbers or letters you enter to open a locked device such as a phone

52 1.6

A group of numbers used in a United States postal address to sort mail

code red
  • Jargon
50 6.5

A very serious emergency that needs immediate action

44 2.5

Rules about what clothes people can or must wear in a place

40 1.8

Three numbers at the start of a phone number that show where it is

source code
  • Specialized
30 4.1

Text of a computer program that people can read and change

A set of rules that members of a group must follow

genetic code
  • Specialized
24 3.5

The order of letters in DNA or RNA that tells cells how to make proteins

Morse code
  • Specialized
23 4.1

A system of dots and dashes used to send letters and numbers as messages

21 5.2

A set of words, letters or signs used to hide a message

20 3.6

A system that uses different colors to show groups or information

penal code
  • Formal
19 4.6

A set of laws that defines crimes and their punishments in a country

bar code
  • Specialized
18 2.5

A pattern of black bars and numbers on products that a scanner reads

building code
  • Formal
16 3.5

Rules made by local government about how to design and build safe buildings

computer code
  • Specialized
11 3.1

Instructions written in a language a computer can follow

9 3.7

Official rules set by the government about public health, like sanitation and food safety

9 4.2

A set of rules people must always follow with no exceptions

fire code
  • Formal
7 3.4

A set of rules made by authorities about buildings to prevent fires and keep people safe

binary code
  • Specialized
6 3.5

A system that uses 0s and 1s to show text and instructions in computers

5 6.0

A collection of federal laws arranged by subject and published by the government

legal code
  • Formal
4 3.9

A set of laws a country officially uses

code yellow
  • Jargon
4 6.8

An alert warning people about a specific emergency, for example bad weather or a missing person

3 4.1

A set of rules that tell people in a job or group how to behave

A set of rules members of a group like a school or company must follow

machine code
  • Specialized
2 4.9

A set of instructions in numbers that a computer's processor can run directly

cheat code
  • Jargon
2 4.2

A series of buttons or commands that give an unfair advantage in a video game

postal code
  • South African
2 1.7

A short set of letters and numbers added to an address to help deliver mail

secret code
  • Specialized
2 3.5

A set of numbers or letters used to unlock an account

code brown
  • Jargon
2 7.9

An alert telling staff to respond to a dangerous spill or escaped animal

code monkey
  • Offensive
1 8.2

A person who only writes routine computer code and has no say in decisions

clean code
  • Specialized
1 4.0

Clear, well organized computer instructions that are easy to read and change

bar code
  • Specialized
1 3.5

A short piece of DNA used to identify a species

code repository
  • Specialized
1 3.8

A place where programmers store and share code to work together

object code
  • Specialized
1 7.4

Machine instructions made from a program so a computer can run it

code clean
  • Specialized
1 5.8

Source code written clearly so other programmers can read and change it

1 7.2

Poorly organized computer code that is tangled and hard to change

health code
  • Texting
1 3.7

A digital code that shows a person's vaccination or recent test status to allow entry to places

1 3.4

A unique code of letters and numbers for tracking a customer's purchase

1 4.6

An official set of rules for using public roads in the United Kingdom

triplet code
  • Specialized
1 6.5

A way that uses groups of three DNA letters to tell cells which parts to use to make proteins

U. S. Code
  • Formal
1 7.0

A book that lists the federal laws of the United States by subject

operation code
  • Specialized
1 5.0

A part of a computer instruction that tells the computer what to do

1 3.4

A set of black bars and numbers on a product package scanned in stores

code flag
  • Specialized
1 7.1

A flag used to send messages between ships

A code using seven bits to represent letters, numbers, and simple control characters so computers can share text

1 5.3

A way to show letters and numbers using dots and dashes

error correction code
  • Specialized
1 4.3

A way of adding extra information to data so small errors can be found and fixed

sanitary code
  • Formal
1 4.6

Official rules requiring clean, safe places to protect people's health

Justinian code
  • Specialized
1 9.3

A collection of Roman civil laws made under Emperor Justinian in the 500s that influenced many modern legal systems

order code
  • Specialized
1 4.9

The part of a computer instruction that tells it which operation to do

Hamming code
  • Specialized
1 7.0

A method that adds extra bits to digital data to find and fix one-bit errors

dirty code
  • Jargon
7.2

Computer code that is badly written and hard to read or fix

hacky code
  • Jargon
8.3

Code written quickly as a temporary fix that causes problems

A neat, classic style of clothing with blazers and ties like private school students wear

How Secret

encryption
  • Specialized
59 5.6
cipher
  • Specialized
29 8.8
code
806 4.3
cryptogram
3 9.5

Surface Forms

code singular
codes plural

Etymology

Code comes from the Latin codex, 'book', and you can imagine a secret book where letters hide a message; that's why a code is a system of signs used to keep information private or short.