The most common and most likely answer to this crossword clue is the 11 letter word INTOLERANCE
I've seen this crossword clue in The Daily Telegraph
I
N
T
O
L
E
R
A
N
C
E
More clues leading to the result INTOLERANCE
- Inability to bear being hypnotised, interrupted by bullring cheer
- Tons aboard ocean liner at sea consent to only one view
- Enthusiastic about the French and their country — female lacking bigotry
- Not being prepared to suffer one clarinet playing
- Somehow trace online prejudice
- Narrow-mindedness spread in frenzy of election
- Allergic reaction having taken LSD, perhaps: expression of support welcomed
Buddy explains!

The straight part
We know that "prejudice" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case prejudice = intolerance.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 INTOLERANCE mean?
INTOLERANCE noun- The state of being intolerant.
- An intolerant word or action.
- Extreme sensitivity to a food or drug; allergy.