Cryptic crossword clue
A lot of money made as evidence of being well protected 9

The most common and most likely answer to this crossword clue is the 9 letter word BOMBPROOF

I've seen this crossword clue in The Guardian
B
O
M
B
P
R
O
O
F

Buddy explains!

The straight part
We know that "well protected" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case well protected = bombproof.
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 BOMBPROOF mean?

BOMBPROOF noun
  1. An air-raid shelter, a structure designed to give protection against air raids and bombs.
BOMBPROOF verb
  1. To make resistant to bomb blasts.
BOMBPROOF adjective
  1. Sufficiently strong to resist the effects of a blast from a bomb.

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