let on

British  

verb

1. to allow (something, such as a secret) to be known; reveal

   he never let on that he was married

2. (tr) to cause or encourage to be believed; pretend

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let on Idioms  

1. 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]

2. 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 .

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Example Sentences

See Examples For:

let on

In the 2025 interview with the Journal, Howie Buffett didn’t let on much about any vision for Berkshire.

From The Wall Street Journal ● Sep. 18, 2026

You may be solving for a requirement that has more flexibility than the front line let on.

From MarketWatch ● Aug. 27, 2026

The total cost to train and run DeepSeek’s model was exponentially higher than the company let on, and investors failed to consider that businesses generally wouldn’t use Chinese models due to security concerns.

From Barron's ● Feb. 4, 2026

She was the one who remembered birthdays, who called just to check in, who quietly carried more than she ever let on.

From BBC ● Dec. 24, 2025

Here’s a secret: I was a much better seamster than I let on.

From "Not Nothing" by Gayle Forman