threaten — to utter a threat against; menace: He threatened the boy with a beating.
disrupt — to cause disorder or turmoil in: The news disrupted their conference.
dislocate — to put out of place; put out of proper relative position; displace: The glacier dislocated great stones. The earthquake dislocated several buildings.
diminish — to make or cause to seem smaller, less, less important, etc.; lessen; reduce.