tediously prolonged or tending to speak or write at great length; "editing a prolix manuscript"; "a prolix lecturer telling you more than you want to know"
prevent from doing something or being in a certain state; "We must prevent the cancer from spreading"; "His snoring kept me from falling asleep"; "Keep the child from eating the marbles"
keep from happening or arising; make impossible; "My sense of tact forbids an honest answer"; "Your role in the projects precludes your involvement in the competitive project"