The most common and most likely answer to this crossword clue is the 3 letter word IRE
I've seen this crossword clue in The Times
I
R
E
More clues leading to the result IRE
- Anger shown when state's leader is deposed
- Fury in Liberian uprising
- Passion found in diaries now and again
- Gloriana stands for wrath
- Diaries occasionally displaying anger
- Passion of republic once ousting English
- Father’s dismissed son in anger
- Daughter abandons dreadful passion
- One about to display passion
- Strong feeling, occasionally fierce
Buddy explains!

The straight part
We know that "anger" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case anger = ire.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 IRE mean?
IRE noun- Iron.
- Great anger; wrath; keen resentment.
- To anger; to fret; to irritate.