That's a simile because it uses the word "as" and compares two different things.
It's a very old metaphor for death - it was seen in print by 1350.
It compares the the nail to how hard it is.
No, it's a simile.
Dumb as a nail.
As hard as nails (usually about a person) As hard as diamond As hard as rock
Possibly,the answer to "dead as a door nail?"is-in ancient times there was a "door nail that the door knocker would hit against, I'm of the opinion the resulting sound was hallow and "dead" instead of a ringing sound.
Old Marley was as dead as a door-nail solitary as an oyster like a bad lobster in a dark cellar home' like heaven Fezziwig's calves are described as looking "like moons"
Marley was as "dead as a door nail". Here is a quote from the book: "Old Marley was as dead as a door-nail. Mind! I don't mean to say that I know, of my own knowledge, what there is particularly dead about a door-nail. I might have been inclined, myself, to regard a coffin-nail as the deadest piece of ironmongery in the trade. But the wisdom of our ancestors is in the simile; and my unhallowed hands shall not disturb it, or the Country's done for. You will therefore permit me to repeat, emphatically, that Marley was as dead as a door-nail. "
if u are dumb enough to ask that well open the bottle of nail polish and put it on ur nails not hard
Since the door contains no wiring it (a nail) should do no harm. A mirror will not affect the equipment within the room.
You just be careful.
He was considered to be "as dead as a door nail"