also shell shocked
1.
If you say that someone is ~, you mean that they are very shocked, usually because something bad has happened. (INFORMAL)
We were ~ when Chelsea took the lead.
...~ investors.
= stunned
ADJ
2.
If someone is ~, they have a confused or nervous mental condition as a result of a shocking experience such as being in a war or an accident.
...a ~ war veteran.
ADJ