No, it is not an adverb. The word simile is a noun, a literary device that compares attributes using the words 'as" or "like."
A simile.
Piteously (adverb) - in a manner that inspires pity Example : "The beggar stood piteously by my door and pleaded for something to eat."
A metaphor
As quick as a wink is a simile. ----
It is a simile.
simile It is an example of a simile (uses like or as). A simile in itself though is a type of metaphor.
simile
that man
It is a similie as you are comparing (something) to how sly the fox is. A similie uses the words "like or "as".
It is part of a participle phrase (starting with made). The word "of" would either be an adverb or the preposition introducing a prepositional phrase (e.g. made up of rock).
simile
simile