forewarn (someone) of (something)

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forewarn (someone) of (something)

To inform someone of something in advance. Thanks for forewarning me of the boss's foul mood today—I made sure to steer clear of him.
See also: forewarn, of
References in periodicals archive ?
Its defaced walls are in urgent need of repair, a state that appears to forewarn one of what lies yonder.
One of the first times he was able to forewarn one of Noel's seizures was while she was working on her computer.