noun

an action such as a prolonged speech that obstructs progress in a legislative assembly while not technically contravening the required procedures.

delaying tactics,stonewalling,procrastination,obstruction,delaying,blocking,hold-up,speechifying,speechification,kicking the can down the road

verb

act in an obstructive manner in a legislative assembly, especially by speaking at inordinate length.

he was one of four Tories who filibustered for more than 30 minutes each to derail the free parking plan