1.like a corpse
2.as still as a corpse
Yes, it's a simile.
Simile, which is a Rhetorical Device
A simile is the comparison of something to another thing using the words 'like' or 'as'. That car is like a screaming metal death trap!
One simile in "The Pardoner's Tale" is the comparison of the old man's appearance to that of Death himself. The description of the old man as having a "visage strict and dire" is a simile that likens his appearance to the grim and frightening visage associated with Death.
One simile in "Death on the Nile" is "like a cobra, poised to strike" describing a character's menacing intentions. Another simile is "as cold as a stone" to depict a character's lack of emotion.
A simile.
Take out the "like" and just say Death is a heater. That's a metaphor. "Like" or "as" makes it a simile.
A metaphor
As quick as a wink is a simile. ----
It is a simile.
The literary term used in the quote "the house was all as still as death" is simile. This is because it directly compares the stillness of the house to death using the word "as". The simile helps create a vivid image in the reader's mind.
It is a metaphor because it's comparing bear and death without using "like" or "as".