Knock off and Retain

Knock off

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Knock off verb – To bring (as an action or operation) to an immediate end.
Retain is an antonym for knock off in kill topic.
Antonyms for Knock off


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Retain verb – To continue to have in one's possession or power.
Knock off is an antonym for retain.
Nearby Words: retainer, retaining
Antonyms for Retain
Similar words of knock off
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Similar words of retain
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Retain and Knock off. (2016). Retrieved 2021, April 13, from
Knock off & Retain. N.p., 2016. Web. 13 Apr. 2021. <>.
Retain or Knock off. 2016. Accessed April 13, 2021.

Antonyms for knock off
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Antonyms for retain
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Google Ngram Viewer shows how "knock off" and "retain" have occurred on timeline: