The most common and most likely answer to this crossword clue is the 9 letter word IRRITATED
I've seen this crossword clue in The Daily Telegraph
I
R
R
I
T
A
T
E
D
More clues leading to the result IRRITATED
- Annoyed by Dire Straits, unfortunately twice missing start of song
- I had to restrain rattier drunk becoming angry
- Ireland and Italy’s old clothes taken in by Red Cross
- Educated girl being restricted, awfully tired and angry
- Peevish or irate getting befouled with dirt
- Taxmen assessed about it getting annoyed
- Irish female rock ‘n’ roller hot under the collar
- Annoyed invisible girl in education with small cuddly toy
- Annoyed and unsettled I tried art
- Angry discontented influencer judged about sex
Buddy explains!

The straight part
We know that "angry" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case angry = irritated.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.
Crossword Answer definitions
IRRITATED verb- To provoke impatience, anger, or displeasure in.
- To cause or induce displeasure or irritation.
- To induce pain in (all or part of a body or organism).
- To render null and void.
- Experiencing a feeling of irritation.
- Inflamed and painful.