1. Very unusual or strange in appearance or behavior; bizarre or abnormal.
2. Caused by or resulting from an unexpected or unpredictable event; freak-like.

Examples

• The freakish weather in March included snow, rain, and sunshine all in one day.
• She had a freakish ability to remember every conversation she'd ever had.
• The freakish storm knocked down trees across the entire neighborhood.
• His freakish strength allowed him to lift objects that seemed impossible to move.
• The carnival displayed freakish attractions that amazed and disturbed visitors.
• It was freakish how similar the two strangers looked—they could have been twins.
• The freakish accident resulted in an unlikely survival story.