The most common and most likely answer to this crossword clue is the 10 letter word PASSIONATE
I've seen this crossword clue in The Daily Telegraph
P
A
S
S
I
O
N
A
T
E
More clues leading to the result PASSIONATE
- Hot-headed peasants roughly grabbing one with nothing
- Stick around southern island, very hot
- Eager to proceed, I had to carry on
- Hand over a note touring island being enthusiastic
- Enthusiastic head touring second small Scottish island
- Hot as Jerusalem, head bandages!
- Emotional poet in a mess after inhaling dope
Buddy explains!

The straight part
We know that "enthusiastic" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case enthusiastic = passionate.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 PASSIONATE mean?
PASSIONATE noun- A passionate individual.
- To fill with passion, or with another given emotion.
- To express with great emotion.
- Given to strong feeling, sometimes romantic, sexual, or both.
- Fired with intense feeling.
- Suffering; sorrowful.