Certain obstacle Synonyms

Certain replaced

Definitions for Certain


  • (adjective) known but not named
  • (adjective) having or showing a mind free from doubt
  • (adjective) having been established and usually not subject to change

Synonyms for phrase

CO abbreviation

CO is an abbreviation for Certain Obstacle
What does CO stand for?
CO stands for "Certain 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)