Un-kempt means disheveled or untidy. Antonyms for un-kempt would be neat, tidy, groomed or pristine. Being neat and tidy is a great habit to practice, it will make us feel good both inside and out. Personal grooming is also important to present a professional image, and it shows that we respect ourselves and others. Pristine refers to something that is immaculately clean and well-maintained, it is a desirable state that everyone should strive for. So, when we are in a situation where we need to look our best, or when we want to impress someone, it is best to keep ourselves neat, tidy and pristine.