impede

[Example Sentences]:
1. Facebook also plans to impede the economics of spreading fake articles across the network.
2. Police reportedly fired a weapon into the air after staffers tried to impede the arrest.
3. But no orders were made to impede weekend ceremonies.
4. If you talk to any CTO or CIO they have all legacy systems and techniques that can impede their ability to execute.

[Antonyms]abet, accelerate, despatch, hasten, quicken

[Synonyms]encumber, withhold