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Question 1

whereabouts

Answer 1

the place where a person or thing is:
~ Trupin is thought to be in the Caribbean, although his exact whereabouts are/is a mystery.

Question 2

aversion

Answer 2

(a person or thing that causes) a feeling of strong dislike or of not wishing to do something:

~ I felt an instant aversion to his parents.
~ She has a deep aversion to getting up in the morning.
~ Greed is my pet aversion (= the thing I dislike most of all).

Question 3

sheer

Answer 3

●used to emphasize how very great, important, or powerful a quality or feeling is; nothing except:

~ The suggestion is sheer nonsense.
~ His success was due to sheer willpower/determination.
~ It was sheer coincidence that we met.