Synonyms: barrier
Definition: a structure or object that impedes free movement
Similar words: obstructer, obstruction, obstructor, impediment, impedimenta
Definition: any structure that makes progress difficult
Definition: any condition that makes it difficult to make progress or to achieve an objective
Usage: intolerance is a barrier to understanding
Similar words: obstacle, obstruction
Definition: something immaterial that stands in the way and must be circumvented or surmounted
Usage: lack of imagination is an obstacle to one's advancement; the poverty of a district is an obstacle to good education; the filibuster was a major obstruction to the success of their plan
Synonyms: barrier
Definition: anything serving to maintain separation by obstructing vision or access
Similar words: mechanism
Definition: a natural object resembling a machine in structure or function
Usage: the mechanism of the ear; the mechanism of infection