Definition of Nifty

Adjective: nifty (niftier,niftiest) nif-tee

Very good
"he did a nifty job";
- bang-up, bully, corking [Brit, informal], cracking [Brit, informal], dandy, great, groovy, keen, neat, not bad, peachy, slap-up, swell, smashing, grouse [Austral, NZ], ripper [Austral], lovely