n.

1. 荒谬；荒诞[U]
   His story of being kidnapped by little green men was sheer absurdity.

   他说他遭到矮小的绿种人绑架，这纯粹是无稽之谈。

2. 荒谬的言行；怪诞的事物[C]
   The absurdities he uttered at the dinner party landed his wife in an awkward situation.

   他在宴会上讲的荒唐话使他太太陷入窘境。