Knock out and Rejuvenate

Knock out

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Knock out verb – To use up all the physical energy of.
Usage example: the entire staff knocked itself out getting the project finished on time

Rejuvenate is an antonym for knock out.
Antonyms for Knock out


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Rejuvenate verb – To bring back to a former condition or vigor.
Knock out is an antonym for rejuvenate.
Nearby Words: rejuvenation, rejuvenating
Antonyms for Rejuvenate
Similar words of knock out
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Similar words of rejuvenate
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Rejuvenate and Knock out. (2016). Retrieved 2021, June 18, from
Knock out & Rejuvenate. N.p., 2016. Web. 18 Jun. 2021. <>.
Rejuvenate or Knock out. 2016. Accessed June 18, 2021.

Antonyms for knock out
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Antonyms for rejuvenate
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Google Ngram Viewer shows how "knock out" and "rejuvenate" have occurred on timeline: