Clue: Unconquerable obstacle

Answer: BRICKWALL

Length: 9

---

Similar Clues:

• Arctic obstacle (FLOE with 4 letters)
• Deal obstacles (EGOS with 4 letters)
• Place an obstacle in front of (STYMIE with 6 letters)
• Underwater obstacle (REEF with 4 letters)
• Golf course obstacle, e.g. (HAZARD with 6 letters)
• Metallic element's obstacle? (ALUMINUMFOIL with 12 letters)
• Obstacle to progress (INERTIA with 7 letters)
• Keeps going despite obstacles (FORGESAHEAD with 11 letters)
• Obstacle on the way to second base? (BRA with 3 letters)
• Obstacle for George of the Jungle (TREE with 4 letters)