The most common and most likely answer to this crossword clue is the 9 letter word LEISURELY
I've seen this crossword clue in Independent
L
E
I
S
U
R
E
L
Y
More clues leading to the result LEISURELY
- Lie around, definitely relaxed
- Dropping new name, Lenin no doubt relaxed
- Laid-back learner initially exasperated instructor, no doubt
- Garland for certain befitting a holiday?
- Of course, supporting the French I must be relaxed
- Not forced to have floral decoration, as it would seem
- Without haste place flower arrangements on River Kolyma’s centre
- Loose garland, indeed
- Flowers? Definitely in Adagio
- The continental one certainly taking plenty of time
Buddy explains!

The straight part
We know that "Laid-back" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case laid-back = leisurely.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 LEISURELY mean?
LEISURELY adjective- Characterized by leisure; taking plenty of time; unhurried
- In a leisurely manner.