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nounany structure that makes progress difficult
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nounsomething immaterial that stands in the way and must be circumvented or surmounted
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nounthe physical condition of blocking or filling a passage with an obstruction
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noungetting in someone's way
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nounthe act of obstructingtype of:
Examples of obstruction
- "the filibuster was a major obstruction to the success of their plan"
- "obstruction of justice"