spiffy

adjective1

1. •
   (informal) Dapper; fine or neat, especially in style of clothing or other appearance.

   • The charming twins came last week, and you should see their clothes. ‘Spiffy’ is the word. — 1906

noun1

1. •
   (informal) A dapper person.

noun1

1. •
   A spring-wire collar stay, worn by men.

   • The only neat thing about him was his collar. It was held down by a Spiffy wire stay. — 1975