nifty adj : very good; "he did a bully job"; "a neat sports car"; "had a great time at the party"; "you look simply smashing" [syn: {bang-up}, {bully}, {corking}, {cracking}, {dandy}, {great}, {groovy}, {keen}, {neat}, {not bad(p)}, {peachy}, {slap-up}, {swell}, {smashing}] [also: {niftiest}, {niftier}] niftiest See {nifty}