Cad/kæd/ Definition 1 of 3Pro Tip 1/3Negative Connotation Describes a man with a lack of morals, often rude or disrespectful. Nobody trusted him after he acted like a cad towards his guests. Pro Tip 2/3Informal Term Used in conversational or informal writing but not in formal contexts. In her letter, she called him a cad for his ungentlemanly behaviour. Pro Tip 3/3Gender-Specific Specifically refers to men, has no female equivalent in usage. At the reunion, he proved to be a cad around his female classmates.