The most common and most likely answer to this crossword clue is the 6 letter word STUPOR
S
T
U
P
O
R
More clues leading to the result STUPOR
- Possible effect of number raised being in endless supply
- Proust reinterpreted produces mental dullness
- A state of shock as US port bombed
- Puts up with men in a drunken daze?
- Being out of place in harbour, finally sailor returned
- Proust novel in state of unconsciousness
- Mist up oriel, a little haze
- Accommodates men in drunken state?
- Rubbish Proust — result of too much drink?
- Love places rebellious Romeo in daze
Buddy explains!

The straight part
We know that "A state of shock" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case a state of shock = stupor.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 STUPOR mean?
STUPOR noun- A state of reduced consciousness or sensibility.
- A state in which one has difficulty in thinking or using one’s senses.
- To place into a stupor; to stupefy.