The word "gamins" refers to mischievous or playful young boys. Some antonyms of the word gamins are well-behaved, obedient, disciplined, civil, courteous, and respectful. These words are used to describe children who exhibit good manners and behavior. They are the opposite of gamins who tend to be reckless, rude, troublesome, and disobedient. In social settings, well-behaved children endear themselves to adults and are often given respect and praise for their good behavior. Parents and guardians who encourage and instill discipline in their children will raise young ones who grow up to be courteous, principled, and responsible citizens.