zippy

1. (informal) Energetic and lively.Examples: "Fun is the doughboy's pal—that's why he wrote and sings "K-K-K-Katy"—the song of songs, with a zippy, catchy melody and those beautifully simple words stammered by Katy's tongue-tied beau."; "[T]he rising wind, cool and zippy from the far ice floes of Bering Straits— [...]"; "Fine department stores showing the zippiest of embroidered gloves imported from Scandinavia and the fluffiest of knitted dresses imported from Wisconsin."Synonyms: abuzz, agile, airy, alive, animate, animated, brisk, busyAntonyms: active, in actioninformal

2. (informal) Quick, speedy.Examples: "Apart from anything else, the zippier Northern cadences meant the radio stations could pack in three or four commercials in the time it would take the average Southerner to clear his throat."; "He had pored over the websites of the different European car manufacturers, wooed at first by the Beemers, Audis and Saabs before admitting we had a restricted budget. He eventually chose an economical but zippy Renault hatchback."; "All-Mountain: [...] They're generally not quite as zippy as cross-country mountain bikes (though they're still fast), but they're more plush so you can spend long days in the saddle without an aching behind."Synonyms: cursory, express, fast, expeditious, feverish, fleet, fleeting, greased lightningAntonyms: fast, speedyinformal