1. roadblock - noun
· any condition that makes it difficult to make progress or to achieve an objective; "intolerance is a barrier to understanding"
Synonym(s): barrier
Hypernym(s): obstacle, obstruction
2. roadblock - 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.
Synonym(s): barricade
Hypernym(s): barrier
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