facilitate Antonyms

occlusion scourge scupper short circuit slow stop strangles thwart trounce unbuild vaporize vitiate worsen wrack hem in rusticate ruinate overload overturn penalize pillage plead preclude prevent prohibit prosecute punish reduce reef restrain retard hold back vaporise knock back vandalise mow down hog-tie hold up stymie stymy bog down box in box up put the kibosh on reason out send down throw a spanner in the works jeopardise shutdown destabilise