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obstacle n vs; impediment n vs; hindrance n vs; difficulty n vs; barrier n vs; handicap; impairment; disability; disorder; malfunction | |||
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n hitches Dictionary of Linguistics (Francis Bond) ; obstruction Aviation Dictionary (Ron Schei) | |||
fault (A physical defect, such as a loose connection, that prevents a system or device from operating as it should) | |||
obstacle; disorder | |||
hindrance |