The most common and most likely answer to this crossword clue is the 9 letter word AWKWARDLY
I've seen this crossword clue in The Times
A
W
K
W
A
R
D
L
Y
More clues leading to the result AWKWARDLY
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The straight part
We know that "Clumsily" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case clumsily = awkwardly.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 AWKWARDLY mean?
AWKWARDLY adverb- In an awkward manner; with discomfort or lack of coordination.