obstruction noun
ADJ. physical | unlawful, wilful (law) | bureaucratic The asylum seekers had to contend with continued bureaucratic obstruction.
VERB + OBSTRUCTION cause, create The lorry had been parked on the pavement, causing an obstruction. | clear, remove She had to have surgery to remove an obstruction from her throat.
You can also check other dicts: obstruction (English, 中文解释 ), wordnet sense, Collins Definition