The most common and most likely answer to this crossword clue is the 6 letter word CATCHY
I've seen this crossword clue in Independent
C
A
T
C
H
Y
More clues leading to the result CATCHY
- Memorable description of successful fielders?
- Memorable girl wanted at home about to board
- Memorable problem: an unknown
- Attractive girl embracing Charlie
- Girl touring Chilean capital, memorable
- Jazz fan and companion close to sixty like certain tunes?
- Memorable hook needed before melody’s end
- Memorable start in Cowes – yacht founders
- Easily-retained energy abstracted from college in island
- Attractive romantic heroine about to be possessed
Buddy explains!

The straight part
We know that "Attractive" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case attractive = catchy.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 CATCHY mean?
CATCHY adjective- Instantly appealing and memorable (of a tune or phrase).
- Tending to catch or ensnare; entangling.
- Consisting of, or occurring in, disconnected parts or snatches; changeable.