Definitions

1. verb

to oppose or obstruct something before it takes place

“The protesters preopposed the government’s new policy, leading to its delay.”

2. verb

to present or offer an objection or opposition in advance

“The lawyers preopposed several arguments in the client’s case.”

3. noun

the act of opposing or obstructing something before it takes place

“The preopposition of the bill led to its failure to pass.”