| Verb | 1. | block up - render unsuitable for passage; "block the way"; "barricade the streets"; "stop the busy road"close - bar access to; "Due to the accident, the road had to be closed for several hours" obstruct, block - shut out from view or get in the way so as to hide from sight; "The thick curtain blocked the action on the stage"; "The trees obstruct my view of the mountains" | |