forewarn (someone) about (something)

forewarn (someone) about (something)

To inform someone of something in advance. Thanks for forewarning me about the boss's foul mood today—I made sure to steer clear of him.

See also: forewarn

Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

forewarn someone about something

 and forewarn someone of something

to warn someone about someone or something. They forewarned us of your strange behavior. Didn't we forewarn you about Max's problem?

See also: forewarn

McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.