reactivate

verb

re·​ac·​ti·​vate (ˌ)rē-ˈak-tə-ˌvāt How to pronounce reactivate (audio)
reactivated; reactivating; reactivates
1
transitive : to activate (something or someone) again
… turning the dough (gently folding it over onto itself between the first and second rises) reactivates the yeast without pressing out as much air.Erika Bruce
: such as
a(1)
: to restore (an organized group such as a military unit) to an active state (as from a state of disorganization or deactivation)
(2)
: to restore (an individual) to active duty
He was reactivated after 9/11 and sent to Afghanistan for a year.Pam Kragen
(3)
: to cause (something such as an industrial plant, society, program, or commission) to function again after a suspension of activity
Started in 1987 and reactivated two years ago, the Leadership Shelby County program takes the participants through the process of developing and launching efforts to improve the community.John Walker
b
psychology : to cause (something such as a repressed complex) to reappear in consciousness or behavior
Feelings of inferiority were reactivated by the experience.
c
medical : to cause (a quiescent disease) to become active again
tuberculosis that was reactivated by fatigue
2
intransitive : to become active again
… a painful nerve and skin disorder that occurs when the immune system weakens in older people and the virus, which never entirely leaves the body, reactivates.Alison L. Sprout

Examples of reactivate in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
When the mouse encounters the shock again in that region, the same neurons appear to reactivate. William A. Haseltine, Forbes, 1 Nov. 2024 Using fresh colorectal cancer samples, the researchers discovered that the iron in red meat reactivated the enzyme telomerase via an iron-sensing protein called Pirin, which drove the progression of the cancer. New Atlas, 24 Oct. 2024 For this, the Haitian government should reactivate the currently dormant National Commission for Disarmament, Dismantlement, and Reintegration. Renata Segura, Foreign Affairs, 29 Aug. 2024 In 1951, Luke Field was reactivated as Luke Air Force Base. Shelby Slade, The Arizona Republic, 15 Aug. 2024 See all Example Sentences for reactivate 

Word History

First Known Use

1854, in the meaning defined at sense 1

Time Traveler
The first known use of reactivate was in 1854

Dictionary Entries Near reactivate

Cite this Entry

“Reactivate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reactivate. Accessed 22 Nov. 2024.

Medical Definition

reactivate

transitive verb
re·​ac·​ti·​vate (ˈ)rē-ˈak-tə-ˌvāt How to pronounce reactivate (audio)
reactivated; reactivating
: to activate again : cause to be again active or more active: as
a
: to cause (as a repressed complex) to reappear in consciousness or behavior
persecution feelings reactivated by new social failures
b
: to cause (a quiescent disease) to become active again in an individual
a herpes infection reactivated by physical and emotional stresses
c
: to restore complement to (an inactivated serum) by addition of fresh normal serum

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