to prevent (a person) from doing something; to prevent (plans) from being carried out

thwart, disappoint

to get in the way of (a person, activity etc)

obstruct, hinder

that is about to happen

obstruct, hinder

incorporated

hamper

an indoor game played by hitting 1 white ball, 15 red balls and 6 balls of other colours with a long stick (a cue)

frustrate, hinder