Cryptic crossword clue
Shrewd acknowledgement of service is a criminal act! 3-7

The most common and most likely answer to this crossword clue is the 11 letter word FLY-TIPPING

I've seen this crossword clue in The Guardian
F
L
Y
-
T
I
P
P
I
N
G

Buddy explains!

The straight part
We know that "a criminal act" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case a criminal act = fly-tipping.
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 FLY-TIPPING mean?

FLY-TIPPING verb
  1. To dispose of waste (garbage) illegally, rather than at an authorized dump location.
FLY-TIPPING noun
  1. The illegal dumping of rubbish on unauthorised sites.

Latest crossword clues with full explanations