1. An unexpected winner; someone who defeats the favourite competitor

Derived forms: upsetters

See also: upset

Type of: victor, winner

Encyclopedia: Upsetter

• run over
• run roughshod
• run short
• run-in
• run-of-the-mill
• run-of-the-mine
• run-on sentence
• run-resistant
• run-through
• run-time
• run-time error
• runabout
• runaway
• runaway robin
• runch
• runcible spoon
• runcinate
• runcinate leaf
• rundle
• rundown
• Rundstedt
• rune
• rung
• runic
• runic letter