1. having been warned or informed in advance about something that might happen
Usage: often used in the phrase ‘forewarned is forearmed’

Examples

• Forewarned about the storm, the sailors returned to port early.
• She was forewarned that the test would be difficult.
• The company was forewarned of potential budget cuts.
• Forewarned is forearmed, as they say.
• Having been forewarned about his temper, I avoided the topic.
• The residents were forewarned about the construction noise.