Source : WordNet®

natty
     adj : marked by smartness in dress and manners; "a dapper young
           man"; "a jaunty red hat" [syn: {dapper}, {dashing}, {jaunty},
            {raffish}, {rakish}, {smart}, {spiffy}, {snappy}, {spruce}]
     [also: {nattiest}, {nattier}]

nattier
     See {natty}