a.

1. （因喜悦，愤怒等）发狂似的[（+with）]
   The mother was frantic with grief at the loss of her child.

   母亲因失去孩子悲痛欲绝。

2. 狂暴的，狂乱的
   He had a frantic rush to get his work done.

   他急急忙忙把工作做完。

3. 【口】极度的，巨大的

adj.

1. distraught with fear, anxiety, etc.
2. conducted in a hurried and chaotic way.