- The ousting or destruction of the ruling body of a government or other organization.
"A decapitation strike carried out by drone killed many of the country's senior generals."
- Beheading; the act of beheading or decapitating
"If the headsman's axe was sharp and his aim was true, decapitation was a quick and relatively painless form of death"
- (politics) The unseating of a senior politician.
"The decapitation of the Foreign Secretary was a significant publicity coup for the opposition."