as dead as a doorstep x:)
No, doorstep is a noun.
Dr at Doorstep
A simile.
Debt on our Doorstep was created in 1999.
A metaphor
The Thing on the Doorstep was created in 1937-01.
The duration of Devils on the Doorstep is 2.32 hours.
As quick as a wink is a simile. ----
It is a simile.
One cannot purchase a doorstep. A doorstep is the step that leads up to the door of a house. This is built during the construction of a house. One cannot go to a store to purchase a new doorstep.
Devils on the Doorstep was created on 2000-05-12.
simile It is an example of a simile (uses like or as). A simile in itself though is a type of metaphor.