The most common and most likely answer to this crossword clue is the 7 letter word MARQUIS
I've seen this crossword clue in The Times
M
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More clues leading to the result MARQUIS
- Squirm uneasily when entertaining a nobleman
- Nob is replacing ends of rope and twine in posh tent
- French noble is attached to name, not English
- Squirm uncomfortably around a victim of the French revolution?
- Squirm awkwardly around a nobleman
- Noble resistance in the Resistance
- Noble king penetrates resistance
- Last pair leaving tent, definitely Spanish, upset toff
- Peer underground to check amount of radiation
- Nobility right in French guerilla force
Buddy explains!

The straight part
We know that "nobleman" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case nobleman = marquis.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 MARQUIS mean?
MARQUIS noun- A nobleman in England, France, and Germany, of a rank next below that of duke, but above a count. Originally, the marquis was an officer whose duty was to guard the marches or frontiers of the kingdom. The office has ceased, and the name is now a mere title conferred by letters patent or letters close.
- Any of various nymphalid butterflies of the Asian genus Bassarona.