Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb block_up

1 sense of block up

Sense 1
barricade, block, blockade, stop, block off, block up, bar -- (render unsuitable for passage; "block the way"; "barricade the streets"; "stop the busy road")
       => obstruct, obturate, impede, occlude, jam, block, close up -- (block passage through; "obstruct the path")