Outside is the word acting like an adverb
Explanation:
windows are needed to be created for air to get from the outside of the building to the inside
2. Lady Macbeth and the witches are to blame for Macbeth’s downfall because Lady Macbeth was manipulative and ambitious and the witches because they told Macbeth of his fate. By the witches putting the idea that he was going to be king in his head his ambition grew stronger.
3. The hero of the play is Macduff for defeating Macbeth at the end of the play and bringing prosperity back to Scotland.
Given that 'blunt' means 'not smart' and that 'mettle' means 'wit; intelligence', I believe that the statement that best paraphrases "What a blunt fellow is this grown to be! He was quick mettle when he went to school" is "This man, who was smart in school, has grown up to be unintelligent".