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Definition of activate

activate

/ˈæk.tɪ.veɪt/
ac · ti · vate
Adverb:actively
•
Adjective:active
•
Past Simple:activated
•
Past Participle:activated
•
Present Participle:activating
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activate Lexical Profile

activate Game Scores & Validity

• verb

1

To make a device, system, or process start working or become operational.

Example

"Please click the link in your email to activate your new user account."

2

To cause a molecule, substance, or biological structure to become chemically reactive or physiologically functional.

Example

"Warm water and a pinch of sugar are needed to activate the dormant yeast before baking."

3

To place a reserve military unit, emergency response team, or group of personnel into active service or readiness.

Example

"The governor decided to activate the state emergency response team ahead of the approaching hurricane."

Synonyms
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Antonyms
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• Rhymes for activate

• Nearby Words

acting
action
actionable
activate
activation
activator
active

Word Origin & Etymology

Coined in the 17th century from the adjective 'active' and the verb-forming suffix '-ate', tracing back to the Latin 'actus' ('a doing' or 'a driving force'), from 'agere' ('to set in motion' or 'to drive').

Cite this Entry

Wordmom. (2026). Definition of Activate. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/activate
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