The most common and most likely answer to this crossword clue is the 11 letter word MISCONSTRUE
I've seen this crossword clue in Financial Times
M
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More clues leading to the result MISCONSTRUE
- Wrongly interpret notes: study’s genuine
- Wrongly interpret young lady defending argument against? Correct
- Wrongly interpret consumerist moves
- Military Intelligence’s prisoners right to grasp wrong end of stick
- Wrongly interpret criminals, honest with girl mostly
- Wrongly understand disadvantages in fog on French road
Buddy explains!

The straight part
We know that "Wrongly understand" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case wrongly understand = misconstrue.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 MISCONSTRUE mean?
MISCONSTRUE verb- To interpret erroneously, to understand incorrectly; to misunderstand.