Thwart
Definition 1 of 3
Pro Tip 1/3
Active Opposition
Often used when someone actively tries to prevent another's action, with effort and intent. Activists worked to thwart the construction of the new dam.
Pro Tip 2/3
Conflict Context
Commonly found in contexts where there is a conflict of interests or a competition. She managed to thwart his takeover attempt of the company.
Pro Tip 3/3
Goal Interruption
Implies an interruption or blocking of a goal, not just a delay. His injury thwarted his chances of winning the marathon.