The most common and most likely answer to this crossword clue is the 11 letter word MOUNTAINEER
I've seen this crossword clue in The Times
M
O
U
N
T
A
I
N
E
E
R
More clues leading to the result MOUNTAINEER
Buddy explains!
The straight part
We know that "Hillary perhaps" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case hillary perhaps = mountaineer.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does MOUNTAINEER mean?
MOUNTAINEER noun- A person who climbs mountains for sport or pleasure.
- A person who lives in a mountainous area (often with the connotation that such people are outlaws or uncivilized).
- An animal or plant that is native to a mountainous area.
- To climb mountains; to climb using the techniques of a mountaineer.
- To climb as if on a mountain.