split on
phrasal verb
split on; splitting on; splits on
British, informal
: to give information about the secret or criminal activity of (someone) to the police
He would never split on his chums.
Examples of split on in a Sentence
Recent Examples on the Web
Academics and authors seem split on its real-world existence, but Schwartzstein is a firm believer.
—
Andrew Greif, NBC news, 10 Jan. 2026
While uranium-235 atoms occasionally split on their own, the conditions at Oklo allowed these rare events to cascade into a sustained chain reaction.
—New Atlas, 8 Jan. 2026
Appellate courts across the state have split on the question, particularly in the last year.
—Teri Figueroa, San Diego Union-Tribune, 8 Jan. 2026
Republicans and Democrats are split on the shooting that killed 37-year-old Renee Nicole Macklin Good.
—Sarah Fortinsky, The Hill, 8 Jan. 2026
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Cite this Entry
“Split on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/split%20on. Accessed 20 Jan. 2026.
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