The most common and most likely answer to this crossword clue is the 8 letter word INFLAMED
I've seen this crossword clue in The Guardian
I
N
F
L
A
M
E
D
More clues leading to the result INFLAMED
Buddy explains!

The straight part
We know that "Enraged" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case enraged = inflamed.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 INFLAMED mean?
INFLAMED verb- To set on fire; to kindle; to cause to burn, flame, or glow.
- To kindle or intensify (a feeling, as passion or appetite); to excite to an excessive or unnatural action or heat.
- To provoke (a person) to anger or rage; to exasperate; to irritate; to incense; to enrage.
- To put in a state of inflammation; to produce morbid heat, congestion, or swelling, of.
- To exaggerate; to enlarge upon.
- To grow morbidly hot, congested, or painful; to become angry or incensed.
- Resulting from or affected by inflammation.
- Appearing to be in flames; as if made of fire.