The phrase "is worsted" typically means that someone or something is defeated, beaten, or failed. There are several synonyms for this phrase that can be used interchangeably depending on the context. For example, the word "lost" can be used to imply failure, defeat, or misplacing something. Another synonym could be "beaten," meaning that someone or something has been overpowered or defeated in a competition or fight. Other synonyms could include "vanquished," "overwhelmed," or "conquered." These words could be used in various situations, like sports matches, arguments, or even personal struggles. Choosing the right synonym will depend on the context and the level of intensity of the situation.