- Bridge the winning of all the tricks in a deal by the declarer
- the winning of all of a group of select competitions in a particular sport, as golf
- Baseball a home run hit when there is a runner on each basesometimes called grand′slam′mer
grand slamgrand slam
- Baseball A home run hit when three runners are on base.
- often Grand Slam The set of major or most prestigious competitions in a sport, especially when won in a single season, as the Wimbledon, French Open, US Open, and Australian Open tournaments in tennis, or the Masters, US Open, British Open, and PGA Championship tournaments in golf.
- The winning of all the tricks during the play of one hand in bridge and other whist-derived card games.
(plural grand slams)
- (UK, soccer) winning in each of the three UEFA cups - UEFA Champions League, UEFA Cup (to be renamed UEFA Europa League from 2009–10) and Cup Winners' Cup (defunct).
- (tennis) The four biggest competitions of the year: Wimbledon, the French Open, Australian Open and the US Open
- (rugby) Victory in every game in the Six Nations competition between England, Wales, Scotland, Ireland, France and Italy
- (rugby) Victory by a Southern Hemisphere national team over all of the Home Nations—England, Wales, Scotland, and Ireland—in a single tour
- (golf) The four (five) biggest competitions of the year, see Grand Slam (golf) on Wikipedia.