Undefeatable riser Synonyms

UR abbreviation

UR is an abbreviation for Undefeatable Riser
What does UR stand for?
UR stands for "Undefeatable Riser"

Definitions for Riser


  • (noun) a person who rises (especially from bed)
  • (noun) a vertical pipe in a building
  • (noun) structural member consisting of the vertical part of a stair or step