a.

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

   母親因失去孩子悲痛欲絕。

2. 狂暴的，狂亂的
   He had a frantic rush to get his work done.

   他急急忙忙把工作做完。

3. 【口】極度的，巨大的

adj.

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