Cryptic crossword clue
Took issue with guard about hiding key

The most common and most likely answer to this crossword clue is the 6 letter word ARGUED

I've seen this crossword clue in The Guardian
A
R
G
U
E
D

Buddy explains!

The straight part
We know that "Took issue with" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case took issue with = argued.
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 ARGUED mean?

ARGUED verb
  1. To show grounds for concluding (that); to indicate, imply.
  2. To debate, disagree or discuss opposing or differing viewpoints.
  3. To have an argument, a quarrel.
  4. To present (a viewpoint or an argument therefor).
  5. To prove.
  6. To accuse.

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