The most common and most likely answer to this crossword clue is the 7 letter word SMUGGLE
S
M
U
G
G
L
E
More clues leading to the result SMUGGLE
- Illegally bring in small vessel, finally evading all police
- Son, inept person making run
- Sticks up injured leg to run
- Complacent, starts to get lost and ends run
- Avoid established customs?
- Run without being noticed?
- Secretly bring in non-wizard joining Hogwarts finally
- Sticks up broken leg to avoid customs duty
- Son, a non-wizard, to run
Buddy explains!

The straight part
We know that "run" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case run = smuggle.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 SMUGGLE mean?
SMUGGLE verb- To import or export, illicitly or by stealth, without paying lawful customs charges or duties
- To bring in surreptitiously
- To fondle or cuddle.
- To thrash or be thrashed by a bear's claws, or to swipe at or be swiped at by a person's arms in a bearlike manner.