1. (noun) any condition that makes it difficult to make progress or to achieve an objective

• barrier

2. (noun) a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc.

• barricade

1. (noun) any condition that makes it difficult to make progress or to achieve an objective

• obstacle
• obstruction

2. (noun) a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc.

• barrier

1. (noun) any condition that makes it difficult to make progress or to achieve an objective

• ideological barrier
• language barrier

1. (noun) a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc.

• bar
• barricade
• block
• block off
• block up
• blockade
• stop
• barricade
• barricado
• barricade