Dictionary.com
Thesaurus.com
Jump to:
  • assassin
    assassin
    noun
    a murderer, especially one who kills a politically prominent person for fanatical or monetary reasons.
  • Assassin
    Assassin
    noun
    a member of a secret sect of Muslim fanatics operating in Persia and Syria from about 1090 to 1256, murdering their victims, usually Crusaders
Synonyms

assassin

American  
[uh-sas-in] / əˈsæs ɪn /

noun

  1. a murderer, especially one who kills a politically prominent person for fanatical or monetary reasons.

  2. (initial capital letter) one of an order of Muslim fanatics, active in Persia and Syria from about 1090 to 1272, whose chief object was to assassinate Crusaders.


Assassin 1 British  
/ əˈsæsɪn /

noun

  1. a member of a secret sect of Muslim fanatics operating in Persia and Syria from about 1090 to 1256, murdering their victims, usually Crusaders

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

assassin 2 British  
/ əˈsæsɪn /

noun

  1. a murderer, esp one who kills a prominent political figure

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of assassin

1525–35; < Medieval Latin assassinī (plural) < Arabic ḥashshāshīn eaters of hashish

Explanation

An assassin is someone who murders an important political or religious leader. Brutus is one of the most infamous assassins in history. He murdered Julius Caesar, who ruled Rome in the first century B.C. The word assassin, pronounced "uh-SASS-in," describes a person who murders a prominent person, like a political or religious leader. Often, this person is hired to kill, though he or she might act on personal motivations. To correctly spell assassin, remember that it has two double s's.

Keep Reading on Vocabulary.com

Vocabulary lists containing assassin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Appeared in the April 27, 2026, print edition as 'A ‘Friendly Federal Assassin’'.

From The Wall Street Journal • Apr. 26, 2026

And she has staged a number of plays at the National over the past 25 years, most recently Kerry Jackson and The Father and the Assassin, both last year.

From BBC • Dec. 12, 2023

Its counterpart imperial stout, Vanilla Bean Assassin, is ranked No. 2, while another offering called Mornin’ Delight is ranked in the top 10.

From Seattle Times • Jul. 27, 2023

“An Assassin in Utopia” links President James Garfield’s killer to an atmosphere of free love and religious fervor that gripped Oneida, N.Y., in the late 1800s.

From New York Times • Feb. 6, 2023

And though Tanin wasn’t related to her by blood, the Assassin was family.

From "The Reader" by Traci Chee