The most common and most likely answer to this crossword clue is the 8 letter word FLUFFIER
I've seen this crossword clue in Financial Times
F
L
U
F
F
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More clues leading to the result FLUFFIER
Buddy explains!

The straight part
We know that "More like down" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case more like down = fluffier.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 FLUFFIER mean?
FLUFFIER adjective- Covered with fluff.
- Light; soft; airy.
- Warm and comforting.
- Not clearly defined or explained; fuzzy.
- Lightweight; superficial; lacking depth or seriousness.