From Longman Dictionary of Contemporary Englishnattynat‧ty /ˈnæti/ adjective informal DCFASHIONABLEneat and fashionable in appearance a natty suit He was a natty dresser. —nattily adverb
Examples from the Corpus
natty• He was pale and natty as ever.• Car owners needing their wheel or battery changed are now greeted by men clad in bright orange uniforms and natty caps.• Smell it almost, although the man, a natty dresser by Peter's standards, had loaded himself with aftershave.• And the natty duds and the good rocking tonight. 39.• Phillip was chosen for the honour because of the natty suits he sometimes favours.• The door opened and Nicholas gave a name, not his own, to a natty young man he detested on sight.Origin natty (1700-1800) Probably from netty “neat” ((1500-1600)), from net “neat, clean” ((14-19 centuries)), from French; → NEAT