e-sportsnoun [ plural or U ]
the activity of playing computer games against other people on the internet, often for money, and often watched by other people using the internet, sometimes at special organized events:
E-sports have become a major industry, as some of the top gamers around the world battle each other in a wide range of games.
E-sports is now a huge spectator sport.
e-sport
[ C ] an individual computer game that is played against other people on the Internet:
This game has the potential to become a popular e-sport.