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Definition of rekey
rekey
/ˌriːˈkiː/
re · key
Past Simple:rekeyed
•Past Participle:rekeyed
•Present Participle:rekeying
rekey Lexical Profile
CEFR
C1
Grade
9
Tier
2
Usage
Rare
Syllables
2
rekey Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• verb
1
To alter the internal mechanism of a lock so that it is operated by a different key and the old key no longer works.
Example
"After moving into the new house, we hired a locksmith to rekey all the exterior doors."
2
To type or enter data into a computer or keyboard again.
Example
"The clerk had to rekey the entire invoice because the initial scan failed to capture the numbers."
3
To replace or update a cryptographic key used to secure a communication channel or database (in computing and cryptography).
Example
"Security protocols require the server to rekey the encrypted session every twenty-four hours."
Synonyms
View all synonyms for rekey• Rhymes for rekey
• Nearby Words
Cite this Entry
Wordmom. (2026). Definition of Rekey. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/rekey