natty

adjective, nat·ti·er, nat·ti·est.

1. neatly or trimly smart in dress or appearance; spruce: a natty white uniform.

adjective -tier or -tiest

1. informal smart in appearance or dress; spruce; dappera natty outfit

adj.1785, “neat, smart,” originally slang, perhaps an altered form of 16c. nettie “neat, natty,” from Middle English net “pure, fine, elegant” (see neat). Related: Nattily.