Cryptic crossword clue
Fights fixed cost to cover business degree 7

The most common and most likely answer to this crossword clue is the 7 letter word COMBATS

I've seen this crossword clue in The Daily Telegraph
C
O
M
B
A
T
S

Buddy explains!

The straight part
We know that "Fights" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fights = combats.
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 COMBATS mean?

COMBATS noun
  1. A battle, a fight (often one in which weapons are used).
  2. A struggle for victory
COMBATS verb
  1. To fight; to struggle against.
  2. To fight (with); to struggle for victory (against).

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