deactivate

verb de·ac·ti·vate \ (ˌ)dē-ˈak-tə-ˌvāt \
|Updated on: 8 Aug 2018

Definition of deactivate

: to make inactive or ineffective
  • deactivate a bomb
  • deactivate a chemical compound

deactivation

play \(ˌ)dē-ˌak-tə-ˈvā-shən\ noun

deactivator

play \(ˌ)dē-ˈak-tə-ˌvā-tər\ noun

Examples of deactivate in a Sentence

  1. deactivate the machine carefully, or you'll risk an electric shock

Recent Examples of deactivate from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deactivate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of deactivate

1926

in the meaning defined above

See Words from the same year
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DEACTIVATE Defined for English Language Learners

deactivate

Definition of deactivate for English Language Learners

  • : to make (something) no longer active or effective


Medical Dictionary

deactivate

transitive verb de·ac·ti·vate \ (ˈ)dē-ˈak-tə-ˌvāt \

medical Definition of deactivate

deactivated; deactivating
1 : to make inactive or ineffective
2 : to deprive of chemical activity
  • deactivate an enzyme

deactivation

play \-ˌak-tə-ˈvā-shən\ noun


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