Definition of bracketologist in US English:

bracketologist

noun

US
  • An expert at making predictions about the participants in and outcomes of the games in a sports tournament, especially the NCAA college basketball tournament.

    ‘UCLA didn't even belong in the tournament based on bracketologists' projections’

Origin

1990s: from bracket (sense 5 of the noun).

Pronunciation

bracketologist

/ˌbrakəˈtäləjəst//ˌbrækəˈtɑlədʒəst/