Synonyms of the word

roadblock

• n. Something that blocks or obstructs a road.
• n. An obstacle or impediment.
• v. (colloquial) To prevent, hinder.

barricade

• n. A barrier constructed across a road, especially as a military defence.
• n. An obstacle, barrier, or bulwark.
• n. (figuratively, in the plural) A place of confrontation.
• v. to close or block a road etc., using a barricade.
• v. to keep someone in (or out), using a blockade, especially ships in a port.

barrier

• n. A structure that bars passage.
• n. An obstacle or impediment.
• n. A boundary or limit.
• n. (grammar) A node (in government and binding theory) said to intervene between other nodes A and B if it…
• n. (physiology) A separation between two areas of the body where specialized cells allow the entry of certain…

obstacle

• n. Something that impedes, stands in the way of, or holds up progress.

obstruction

• n. The act of obstructing, or state of being obstructed.
• n. That which obstructs or impedes; an obstacle; an impediment; a hindrance.
• n. The condition of having the natural powers obstructed in their usual course; the arrest of the vital functions;…