Impassible obstacle Synonyms

Impassible replaced

Definitions for Impassible


  • (adjective) not feeling or showing emotion

Synonyms for phrase

IO abbreviation

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

Obstacle replaced

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)