shock

US /ʃɑːk/
UK /ʃɑːk/
"shock" picture
1.

a sudden upsetting or surprising event or experience

:
The news of his death came as a complete shock.
She went into shock after the accident.
2.

a severe sudden drop in blood pressure, causing a reduction in blood flow to the brain and other vital organs

:
The patient was treated for anaphylactic shock.
He suffered from electric shock after touching the live wire.
1.

to cause someone to feel sudden surprise or alarm

:
His sudden appearance shocked everyone.
The brutality of the crime shocked the nation.