The adj nifty has 1 sense (no senses from tagged texts)
1. bang-up, bully, corking, cracking, dandy, great, groovy, keen, neat, nifty, not bad, peachy, slap-up, swell, smashing -- (very good; "he did a bully job"; "a neat sports car"; "had a great time at the party"; "you look simply smashing")