The most common and most likely answer to this crossword clue is the 8 letter word RAVENOUS
I've seen this crossword clue in The Times
R
A
V
E
N
O
U
S
More clues leading to the result RAVENOUS
- Like an eager consumer's fashion sense?
- Our nave's rebuilt, consuming a great deal
- Desperate for food in Paris, we put on a party
- Extremely hungry birds outside old university
- Starving old American pursues crow
- Party intellect, predatory
- Very hungry creature that flies round the States
- Very hungry bird comes to love us
- Starving artist’s love consumed by fabulous woman
- Famished, lose one’s sanity and common sense
Buddy explains!

The straight part
We know that "Extremely hungry" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case extremely hungry = ravenous.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 RAVENOUS mean?
RAVENOUS adjective- Very hungry.
- Grasping; characterized by strong desires.