Thesaurus.com
Dictionary.com
Definitions

be on to

VERB
ferret out
Synonyms
STRONGEST
ascertain bring to light drive out get at sniff out uncover unearth
WEAK
chase chase down determine dig out dig up disclose discover elicit extract follow hunt hunt down learn nose out penetrate pick up on pierce probe pry pursue quest root out scout out search out seek smell out smoke out trace track down trail worm out

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

It is not yet clear which "priority courses" students would have to be on to be eligible for a grant, with the government saying more details would be provided in November's autumn Budget.

From BBC • Sep. 29, 2025

Plus, there is a huge need for housing in Los Angeles and the pressure will be on to increase density.

From Los Angeles Times • Jan. 30, 2025

After drilling there, the rover will be on to the crater rim.

From Science Magazine • Mar. 13, 2024

“You might be on to something, Malik X,” says Sonny.

From "On the Come Up" by Angie Thomas