Barrier (Noun)
Meaning 1
Anything serving to maintain separation by obstructing vision or access.
Classification
Nouns denoting natural objects (not man-made).
Meaning 2
A structure or object that impedes free movement.
Classification
Nouns denoting man-made objects.
Hypernyms
Hyponyms
Meaning 3
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.