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Definition of codebreaker
codebreaker
/ˈkoʊdˌbreɪkər/
code · break · er
Plural:codebreakers
codebreaker Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Rare
Syllables
3
codebreaker Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A person who analyzes and deciphers encrypted messages, ciphers, or secret codes without prior knowledge of the key.
Example
"The brilliant codebreaker worked tirelessly at Bletchley Park to decipher the intercepted transmissions."
2
A computer program, machine, or algorithm designed to decrypt encoded data or bypass digital security systems.
Example
"Researchers tested the strength of the new encryption standard against an advanced quantum codebreaker."
Synonyms
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Wordmom. (2026). Definition of Codebreaker. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/codebreaker