Natty/ˈnæti/ Definition 1 of 1Pro Tip 1/3Positive Connotation Using 'natty' usually implies approval and admiration for someone's tidy appearance. Our new teacher always has such a natty look. Pro Tip 2/3Sartorial Usage 'Natty' often describes clothing or style that is both neat and fashionable. The natty bow-tie added a touch of sophistication. Pro Tip 3/3Not Just Formal While 'natty' can describe formal attire, it can also apply to casual outfits that look sharp. She pulled off that natty denim jacket with ease.