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



Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example sentences from the Web for let on

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 Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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