The most common and most likely answer to this crossword clue is the 14 letter word OVERSIMPLIFIED
I've seen this crossword clue in The Sunday Telegraph
O
V
E
R
S
I
M
P
L
I
F
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D
Buddy explains!
The straight part
We know that "misrepresented as uncomplicated" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case misrepresented as uncomplicated = oversimplified.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 OVERSIMPLIFIED mean?
OVERSIMPLIFIED adjective- Having been simplified to the point where important information is not conveyed.
- To explain or present something in a way that excludes important information for the sake of brevity, or of making the explanation or presentation easy to understand.