Definitions

1. verb

to deliberately refuse to answer or cooperate, especially in a hostile manner.

“The witness stonewalled the prosecutor’s questions, refusing to answer.”

2. noun

a barrier or obstacle, especially one that is strong or difficult to overcome.

“The stonewall of rocks blocked the river’s flow.”

3. noun

a person or thing that opposes or resists a particular idea or movement.

“The stonewall of opposition to the new policy was fierce.”