The most common and most likely answer to this crossword clue is the 6 letter word CRAWLY
I've seen this crossword clue in The Daily Telegraph
C
R
A
W
L
Y
More clues leading to the result CRAWLY
Buddy explains!
The straight part
We know that "Creepy" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case creepy = crawly.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 CRAWLY mean?
CRAWLY adjective- Crawling around.
- As if covered in moving things such as insects.