Search Dictionary
Definition of codebook
codebook
/ˈkoʊdˌbʊk/
code · book
Plural:codebooks
codebook Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Rare
Syllables
2
codebook Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A book or document used to store, look up, and translate cryptographic codes.
Example
"The intelligence analysts used a captured codebook to decipher the intercepted messages."
2
In statistics and social science research, a document that describes the structure, variables, and coding schemes of a dataset.
Example
"Before analyzing the survey responses, the researcher consulted the codebook to verify how missing values were recorded."
Synonyms
View all synonyms for codebook• Nearby Words
Cite this Entry
Wordmom. (2026). Definition of Codebook. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/codebook