Related Clues:

• How it's creating an obstruction
• Obstructive, with a yen to be different
• Start point for varsity boat race
• The problem with Space Invaders perhaps blocks progress
• Blocking someone's path
• Stumbling block to a Whitney melody
• Whitney A. Rock is not likely to move
• Place currency the wrong way, a bit of our capital
• Forming an obstacle or hindrance
• Blocking family leave when pregnant
• Presenting an obstacle