Select the most appropriate ANTONYM for the given word.
Obstacle

Clearance

The most appropriate antonym for the word obstacle is clearance.

• Obstacle means something that blocks one's way or prevents one from doing something.
• Clearance means the state of being free from obstacles or obstructions.

The other words do not have the same meaning as obstacle and are therefore not antonyms.

• Barrier means a thing that prevents or obstructs passage.
• Hurdle means a barrier that must be overcome in order to progress.
• Hitch means a minor problem or difficulty.