1. impossible to defeat or surpass
2. extremely good; excellent
Usage: informal

Examples

• The champion boxer seemed unbeatable after winning twenty fights in a row.
• Our team’s defense was unbeatable this season.
• She has an unbeatable record in tennis tournaments.
• The restaurant offers unbeatable prices on seafood.
• His grandmother’s apple pie recipe is unbeatable.
• The company’s customer service is unbeatable in the industry.