Caddishly is a term that is used to describe someone who behaves in an ungentlemanly manner. There are several synonyms that can be used to describe this behavior, including deviously, unscrupulously, dishonorably, dishonestly, deceitfully, and underhandedly. All of these terms imply a certain level of sly or cunning behavior, often with the intention of taking advantage of someone else. When used to describe someone's actions, caddishly implies that they are behaving in a way that is socially unacceptable or morally reprehensible. Whether used in a serious or humorous context, caddishly and its synonyms convey a sense of disapproval or condemnation.