RoadblockWordNet Explorer

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

a structure or object that impedes free movement

any condition that makes it difficult to make progress or to achieve an objective

something immaterial that stands in the way and must be circumvented or surmounted

the barrier preventing Blacks from participating in various activities with whites

a barrier to cooperation or interaction resulting from conflicting ideologies

barrier to communication resulting from speaking different languages