Impossible obstacle Synonyms

Definitions for Impossible


IO abbreviation

IO is an abbreviation for Impossible Obstacle
What does IO stand for?
IO stands for "Impossible Obstacle"

Definitions for Obstacle


  • (noun) something that makes movement or progress difficult
  • (noun) something immaterial that stands in the way and must be circumvented or surmounted
  • (noun) an obstruction that stands in the way (and must be removed or surmounted or circumvented)