Cryptic crossword clue
Supremacist response curtailed in airline article 8

The most common and most likely answer to this crossword clue is the 8 letter word KLANSMAN

I've seen this crossword clue in Financial Times
K
L
A
N
S
M
A
N

Buddy explains!

The straight part
We know that "Supremacis" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case supremacis = klansman.
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 KLANSMAN mean?

KLANSMAN noun
  1. A man who is a member of the Ku Klux Klan.

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