Cryptic crossword clue
Two refusals before thinking it’s not working 14

The most common and most likely answer to this crossword clue is the 14 letter word NONOPERATIONAL

I've seen this crossword clue in The Times
N
O
N
O
P
E
R
A
T
I
O
N
A
L

Buddy explains!

The straight part
We know that "not working" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case not working = nonoperational.
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 NONOPERATIONAL mean?

NONOPERATIONAL adjective
  1. Not operating; not working.
  2. Not associated with operation.

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