The most common and most likely answer to this crossword clue is the 9 letter word UNNERVING
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More clues leading to the result UNNERVING
- Runner vingt-et-un keeps intimidating
- Arsenal informally without wingers is superior to Frenchman’s twenty most intimidating?
- Artilleryman’s head over heels drinking French wine — not nice to see
- Making uncomfortable, running off to gather energy and velocity
- Arsenal player cycling to collect French wine – that’s worrying
Buddy explains!

The straight part
We know that "not nice to see" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case not nice to see = unnerving.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 UNNERVING mean?
UNNERVING verb- To deprive of nerve, force, or strength; to weaken; to enfeeble.
- To make somebody nervous, upset, alarm, shake the resolve of.