The most common and most likely answer to this crossword clue is the 6 letter word LAWFUL
L
A
W
F
U
L
More clues leading to the result LAWFUL
- Just 50 and very poor
- Just terrible alongside Labour leader
- Permitted line very bad
- Just pants put on line
- To be allowed to be executed would be terrible
- Large pants legal
- . Ultimately criminal’s bad, being recognised by cops
- Underline ‘very bad, but within the rules’
- Player’s second foul allowed
- Right, left rubbish
Buddy explains!

The straight part
We know that "allowed" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case allowed = lawful.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 LAWFUL mean?
LAWFUL noun- A character having a lawful alignment.
- Conforming to, or recognised by the laws of society.
- Operating according to some law or fundamental principle.