put (one) on notice

put (one) on notice

To warn or alert one about something. We put parents on notice after receiving information about the dangerous game that is going viral among young students. Companies are being put on notice that their interest rates are likely to rise in the new year. My mom put me on notice after she saw my report card.
See also: notice, on, put

put someone on notice (or serve notice)

warn someone of something about or likely to occur, often in a formal or threatening way.
See also: notice, on, put, someone
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