Coxcombery is a term used to describe a person who is excessively proud and boasts about their achievements. Synonyms for coxcombery include arrogance, conceit, egotism, pomposity, vanity, and haughtiness. These words all share the common theme of describing a person who is full of themselves and thinks highly of their own abilities. Other synonyms for coxcombery include boastfulness, self-importance, and hubris. When these negative traits are exhibited by a person, they can often become the subject of ridicule and criticism by those around them. It's important to strive for humility and modesty in our interactions with others to avoid coming across as a coxcomb.