1. to surprise or shock someone completely, especially with bad news or an unexpected attack
Usage: past tense and past participle of ‘blindside’

Examples

• The company blindsided employees with sudden layoffs.
• She was blindsided by her husband’s request for a divorce.
• The quarterback was blindsided by a defender he didn’t see coming.
• The news of the merger blindsided investors.
• I felt blindsided when my best friend moved away without telling me.
• The team was blindsided by their opponent’s new strategy.