Definitions

code word

NOUN

secret word

Synonyms

WEAK

code book code name euphemism password secret language secret message secret writing watchword

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And given AI can now copy anybody’s voice in minutes, gather the family together and decide on a secret code word to use, to verify emergency calls are really coming who they say they are.

From The Wall Street Journal • Dec. 21, 2025

In the age of deepfakes, every family needs a code word, writes Julie Jargon.

From The Wall Street Journal • Nov. 7, 2025

North wants to remind parents and teachers that every generation has their secret code word.

From Los Angeles Times • Oct. 17, 2025

The court heard that 'car' was their code word for gold.

From BBC • May 19, 2025

Hacking is just a code word that means Bate has birds to sell.

From "On the Far Side of the Mountain" by Jean Craighead George