The most common and most likely answer to this crossword clue is the 9 letter word SENSELESS
S
E
N
S
E
L
E
S
S
More clues leading to the result SENSELESS
- Cuckoo flying sees L Ness
- … without feeling foolish?
- Foolish of London area head to accept extremely strange student
- Foolish way to repress one’s feelings?
- Without feeling stupid
- With no end in sight, perhaps the French take a boat
- Unwise to be out?
- Unconscious deterioration in taste perhaps
- Under anaesthesia — injured lens in eye over the weekend
Buddy explains!

The straight part
We know that "Unconscious" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case unconscious = senseless.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 SENSELESS mean?
SENSELESS adjective- Without feeling or consciousness; deprived of sensation
- Lacking meaning or purpose; without common sense
- Without consideration, awareness or sound judgement