The phrase "huge roadblock" means a big obstacle or problem that is difficult to overcome or move past.
Sentences with «huge roadblock»
I loved the rest of the game, but due to the fact that I rarely play games with any shooting in them, they were huge roadblocks in the story. (vghangover.com)
World Domination Summit's speaker lineup is full of people who have overcome huge roadblocks to reach their goals. (inc.com)
With CERN's Large Hadron Collider about to reopen after a two - year upgrade, a failure to uncover more big science would be a huge roadblock to progress (newscientist.com)