Caddishness is a term used to describe behavior that is dishonorable, selfish, and ungentlemanly. Some words that can be used as synonyms for caddishness include churlishness, boorishness, rudeness, discourtesy, contemptuousness, and coarseness. These words all describe behaviors or attitudes that are unacceptable in polite society and reflect a lack of respect for others. Other synonyms for caddishness might include selfishness, greediness, and arrogance. While these words might not be synonymous with caddishness in every context, they all suggest a disregard for others and a lack of moral fiber that is characteristic of caddish behavior.