Roadblock (Noun)
Meaning 1
Any condition that makes it difficult to make progress or to achieve an objective; "intolerance is a barrier to understanding".
Classification
Nouns denoting cognitive processes and contents.
Synonyms
Hypernyms
Hyponyms
Meaning 2
A barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc..
Classification
Nouns denoting man-made objects.