Not a vintage wine: not made from grapes harvested during a single year(adjective)
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Use "nonvintage" in a sentence
"The term "nonvintage" has fallen out of fashion with some producers, who prefer the more positive-sounding "multivintage," though I've yet to hear someone ask for a "multivintage" Champagne in a restaurant or retail store."
"The nonvintage is a perfect introduction to the Gimonnet style: a bright, pure, extremely dry style with a dazzling minerality."
"Our lunch began with glasses of Paul Goerg Rosé nonvintage Champagne, a lovely wine from a cooperative of growers."