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1. The killing of a tyrant or despot.
2. One who kills a tyrant or despot.

[Greek turannos, tyrant + -cide.]

ty·ran′ni·ci′dal (-sīd′l) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. the killing of a tyrant
2. a person who kills a tyrant
tyˌranniˈcidal adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(tɪˈræn əˌsaɪd, taɪ-)

1. the act of killing a tyrant.
2. a person who kills a tyrant.
[1640–50; < Latin tyrrannicīdium (definition 1), tyrannicīda (definition 2). See tyrant, -i- -cide]
ty•ran`ni•cid′al, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


1. the killing of a tyrant.
2. the killer of a tyrant. — tyrannicidal, adj.
See also: Killing
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tyrannicide - killing a tyranttyrannicide - killing a tyrant      
murder, slaying, execution - unlawful premeditated killing of a human being by a human being
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


[tɪˈrænɪsaɪd] N (= act) → tiranicidio m; (= person) → tiranicida mf
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
References in periodicals archive ?
Piccolomini M (1991) The Brutus Revival: Parricide and Tyrannicide
The use of religion for political ends and a murderous rampage resulting in the deaths of some 2,000 citizens of the capital, and between 5,000 and 10,000 in the rest of France, must have had a profound effect on the Thomist teacher, and years later they surely influenced his political philosophy, especially his thoughts on the limits of political power and his defense of tyrannicide.
Though four of these five events targeted heads of state, Dietze argues that they are not to be mistaken for the ancient practice of tyrannicide but are terrorist acts, defined as "a politically motivated strategy to use spectacular violence with the aim of eliciting a strong psychological effect in a society [...
Miola, "Julius Caesar and the Tyrannicide Debate," Renaissance Quarterly 38 (1985): 271-89.
As news of the assassination spread, Medici factions swore revenge against "Lorenzo the traitor," while anti-Medici exiles beyond Florence celebrated the heroism of the "Tuscan Brutus" whose tyrannicide invigorated the republican cause (xi).
Although the title character of the play seemed to be a mere marketing trick to attract the audience to a newly established playhouse with a popular character, as Julius Caesar was murdered in the beginning of Act III, the very fact of his absence almost from the entire play afterwards formed the contextual political debate prominent in the Elizabethan period: that is, amid dissatisfaction with the present Elizabethan regime, whether tyrannicide could be approved or not.
Given the parallels between family and state, recognized perhaps most articulately by Aristotle in his Politics and implicitly alluded to both in the Tyrannicide of Lucian of Samosata on which Bilora is modeled and in Bilora itself, is the issue of whether it was ever justifiable for a member of the body politic to kill the body's ruler (Carroll, "Nontheistic" 88990; Greenblatt).