complete a grand slam

verb phrase

1. to achieve a Grand Slam — especially to win all four major championships in tennis or golf in the same year, or all of them at least once in a career (a career Grand Slam)

   B2

   transitive verb phrase; usually used in sports; 'Grand Slam' is often capitalized in sports writing

   • "She completed a Grand Slam by winning the last major tournament of the year."B1
   • "He completed a career Grand Slam when he finally won Wimbledon."B2
   • "The golfer hopes to complete a Grand Slam this year."B1

2. in rugby's Six Nations, to win all matches against the other teams in the tournament

   B2

   transitive verb phrase; often 'complete the Grand Slam' in rugby contextsUK

   • "Wales completed a Grand Slam by winning all five matches."B1
   • "The team completed a Grand Slam after a narrow win over England."B2
   • "Completing a Grand Slam requires consistency across the whole Six Nations campaign."C1