a.

1. 晕眩的，眼花的
   We were giddy from the summer heat.

   暑热使我们晕眩。

2. 令人晕眩的，使人眼花的[B]
   a giddy height

   令人晕眩的高处

3. 轻率的，轻浮的
   a giddy life of pleasure

   寻欢作乐的放荡生活

vt.

1. 使晕眩

vi.

1. 晕眩

adj.

1. having or causing a sensation of whirling and a tendency to fall or stagger; dizzy.
2. excitable and frivolous.

v.