Dapper/ˈdæpər/ Definition 1 of 2Pro Tip 1/3Fashion Focus Use 'dapper' when complimenting someone's elegant fashion style, often with suits or formal wear. At the wedding, the groom was exceptionally dapper. Pro Tip 2/3Positive Tone 'Dapper' has a positive connotation, suggesting approval and admiration of someone's style. His dapper appearance earned him many compliments. Pro Tip 3/3Masculine Use While not exclusive, 'dapper' is commonly used to describe men or masculine style. The dapper gentleman held the door open with a smile.