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Definition of regicide
regicide
/ˈrɛdʒ.ɪ.saɪd/
reg · i · cide
Plural:regicides
•Adjective:regicidal
regicide Lexical Profile
CEFR
C2
Grade
12
Tier
2
Usage
Rare
Syllables
3
regicide Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The deliberate action of killing a king or reigning monarch.
Example
"Shakespeare's tragedy explores the psychological torment and political chaos that follow an act of regicide."
2
A person who kills or participates in the execution or assassination of a king or monarch.
Example
"Following the restoration of the monarchy, the surviving regicides who had signed the king's death warrant were put on trial."
Synonyms
View all synonyms for regicideWord Origin & Etymology
Borrowed from French or Medieval Latin regicidium and regicida, formed from Latin rex ('king') combined with the suffix -cidium ('a killing') or -cida ('killer'), from caedere ('to cut down or slay').
Cite this Entry
Wordmom. (2026). Definition of Regicide. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/regicide