Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb forewarn
1 sense of forewarn
Sense 1
forewarn, previse -- (warn in advance or beforehand; give an early warning; "I forewarned him of the trouble that would arise if he showed up at his ex-wife's house")
=> warn -- (notify of danger, potential harm, or risk; "The director warned him that he might be fired"; "The doctor warned me about the dangers of smoking")