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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.

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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.

The character they built for “Normal” was intentionally less mythic and more grounded than the former government assassin Odenkirk plays in “Nobody.”

From Los Angeles Times • Apr. 15, 2026

Instead, you should be on guard against the silent, ruthless assassin of wealth: inflation.

From The Wall Street Journal • Apr. 10, 2026

He called the shooting a "very sad situation" on Tuesday and refused to back Miller's "assassin" description -- while insisting that under-fire Homeland Security chief Kristi Noem would not step down.

From Barron's • Jan. 27, 2026

Senior presidential adviser Stephen Miller called Pretti a "would-be assassin".

From BBC • Jan. 26, 2026

Wrinkling her nose at the sudden smell, the assassin walked past cages and stalls filled with dogs of many different breeds.

From "Throne of Glass" by Sarah J. Maas