be on to
Idioms-
Be aware of or have information about, as in They can't pull that trick again; we're on to them now . [ Colloquial ; second half of 1800s]
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Discover something important or profitable, as in The researchers claim they are really on to something big . [ Colloquial ; mid-1900s]
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
And yet here I am, about to tell you that young people might be on to something.
From MarketWatch • Oct. 14, 2025
After drilling there, the rover will be on to the crater rim.
From Science Magazine • Mar. 13, 2024
The pressure will be on to settle these cases too.
From BBC • Feb. 9, 2024
But kid brother might be on to something.
From Seattle Times • Jan. 27, 2024
Ulbrickson heaped praise on all three crews and ended by saying, to cheers, “With support like this we’ll win at Poughkeepsie and then it will be on to Berlin and the Olympics.”
From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.