within an ace of something

within an ace of

Extremely close to doing, achieving, or obtaining something, typically having failed by a very narrow margin. I came within an ace of winning that race, but I guess I'll have to settle for second place. They were within an ace of defeat when the quarterback threw a hail mary for a last-second touchdown. Crude oil prices came within an ace of $80 a barrel on Friday, threatening to plunge markets further into recession around the globe.
See also: ace, of, within

within an ace of something/of doing something

(British English) very close to something: We came within an ace of victory.
See also: ace, of, something, within

within an ace of something

verb
See also: ace, of, something, within