unbeatable
adj. B2 Upper Intermediate US //ˌənˈbitəbəɫ// UK //ʌnbˈiːtəbəl// un·beat·able
adj. impossible to defeat or better than everything else. You use this to describe someone who always wins or a price that is the lowest available.
adj. impossible to surpass or defeat in a competition, quality, or value. Often used in marketing to describe prices or in sports to describe dominant performance.
The team has an unbeatable record this season.
The store offers an unbeatable price on high-end laptops during the summer sale.
Despite the challenger's aggressive strategy, the champion's defensive technique proved unbeatable, securing her tenth consecutive title in under three rounds.
Usage
Often used predicatively after linking verbs like 'be' or 'seem', or attributively before a noun.