The term "yeggs" is a slang word for robbers or burglars. There are several synonyms that can be used interchangeably with the word yeggs. One such synonym is "cat burglars," which specifically refers to robbers who are adept at climbing to access buildings. Another synonym is "safe crackers," which refers to those who specialize in breaking open safes. "Thieves," "bandits," and "robbers" are other commonly used synonyms. The word "crooks" is also synonymous with yeggs, but tends to have a more negative connotation. Regardless of which synonym is used, they all refer to individuals who commit crimes for personal gain.