let on
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verb (adverb; when tr, takes a clause as object) informal
to allow (something, such as a secret) to be known; revealhe never let on that he was married
(tr) to cause or encourage to be believed; pretend
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Which of the following nouns has an irregular plural form?
Words nearby let on
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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How to use let on in a sentence
Other Idioms and Phrases with let on
let on
Reveal one's true feelings or a fact, allow something to be known, as in Don't let on that you met her before. This usage is probably a shortening of let it on someone. [c. 1700]
Pretend, as in He let on that he was very angry, but in fact he didn't care a bit. [First half of 1800s] Also see let in on.
The American Heritage® Idioms Dictionary
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