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Definition of deactivation
deactivation
/diːˌæk.tɪˈveɪ.ʃən/
de · ac · ti · va · tion
Plural:deactivations
deactivation Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Top 10k
Syllables
5
deactivation Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The act or process of making something, such as a device, system, or digital account, inactive or no longer operational.
Example
"The user requested the immediate deactivation of her online profile after noticing suspicious login activity."
2
The process of rendering a chemical substance, catalyst, enzyme, or biological agent less reactive or completely inert.
Example
"High temperatures can cause the rapid deactivation of the enzyme during the laboratory experiment."
3
The release of a military unit, ship, or facility from active duty status.
Example
"Following the peace treaty, the defense ministry announced the scheduled deactivation of several reserve battalions."
Synonyms
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Cite this Entry
Wordmom. (2026). Definition of Deactivation. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/deactivation