i Register
In some senses, spiffy is marked as informal. Watch for register when choosing this word.
adj
Dapper; fine or neat, especially in style of clothing or other appearance.
He was “great” (as he expressed it) with the Bloomer who kept the bar where their club was held, and whom he styled “a spiffy girl,” and who had been graciously pleased to accept of a pair of very Brummagem-looking earrings, set with paste diamonds, with which he had presented her.
The charming twins came last week, and you should see their clothes. ‘Spiffy’ is the word.
noun
A dapper person.
noun
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.