1 smart, stylish, modish, chic, spruce:
I borrowed a nifty outfit from Grandma for the flapper's costume ball.
2 healthy, in good form, spry, energetic, agile, quick:
I'm not as nifty as I was in 1950.
3 excellent, neat, great, splendid, fine, clever, skilful, apt, suitable:
Having a picnic was a nifty idea. That was as nifty a bit of bargaining as I 've ever seen
4 satisfactory, satisfying, good, profitable, substantial, considerable:
He made a nifty profit on the sale of his house in Chelsea.