- the killing of a king.
- a person who kills a king or is responsible for his death, especially one of the judges who condemned Charles I of England to death.
Origin of regicide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for regicidal
This prince, when his unfortunate father fell into the hands of the regicidal party, found a loyal welcome in Jersey.
Thus, between me and the eye-witness of the regicidal catastrophe, only one person intervenes.
He had especially agreed with me in deprecating the cruelty of the regicidal sentence.
The three criminal thrones, and the regicidal republic, were alike to be punished.
The king, for the fourth time, was brought before the remnant of the regicidal junta.
- the killing of a king
- a person who kills a king
C16: from Latin rēx king + -cide
Word Origin and History for regicidal
Online Etymology Dictionary, © 2010 Douglas Harper