forewarn
verb
[ fɔːˈwɔːn ]
• inform (someone) of a possible future danger or problem.
• "he had been forewarned of a coup plot"
Similar:
warn,
prewarn,
warn in advance,
give advance warning,
give fair warning,
give notice,
advise,
apprise,
inform,
put on one's guard about,
alert about,
caution about,
tip off about,
put wise to,
put in the picture about,
clue in about,
tip someone the wink about,
premonish,
harbinger,
omen,
augury,
sign,
signal,
herald,
indication,
presage,
portent,
promise,
prediction,
forecast,
premonition,
warning,
advance warning,
prior warning,
tip-off,
foretoken,
Opposite:
take by surprise,
forewarned is forearmed
• prior knowledge of possible dangers or problems gives one a tactical advantage.