close
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

  • assassins
    plural
  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

Other Word Forms

Noun Inflected Forms

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.

See Examples For:

The big reveal in the opening of the film—which rivals a James Bond pre-credit sequence in longevity, action and skiing through the Alps—is that the ruthless assassin ruining everyone’s Austrian vacation is a woman.

From The Wall Street Journal Jul. 14, 2026

Don’t waste one brain cell trying to deduce the assassin.

From Los Angeles Times Jun. 5, 2026

The Old Woman With the Knife is Gu Byeong-mo's story about Hornclaw, a legendary assassin in her 60s contemplating retirement while navigating loneliness.

From BBC Apr. 18, 2026

The actor who played the East German assassin on Bond’s tail wasn’t so fortunate.

From The Wall Street Journal Feb. 8, 2026

Kaltain watched in despair and bewilderment as Dorian carried the weeping assassin in his arms.

From "Throne of Glass" by Sarah J. Maas

If you trace in this event the origins of a similar scene in Alias Grace and also one in The Blind Assassin, you would be right.

From The Wall Street Journal Nov. 2, 2025

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

Assassin bugs, which belong to an insect family called Reduviidae, date at least as far back as the Jurassic.

From New York Times Jan. 19, 2021

The Assassin picked at the frayed cuff of her blouse.

From "The Reader" by Traci Chee

"This awoke not just Michoacan, but all of Mexico," she told AFP while surrounded by bodyguards to keep would-be assassins at bay.

From Barron's May 18, 2026

When asked why assassins keep targeting him, he answered, “I studied assassinations,” and suggested that “the people that make the biggest impact,” such as Abraham Lincoln, tend to be the targets.

From The Wall Street Journal Apr. 26, 2026

A nod of appreciation to those assassins who don't make it - Ballon d'Or-winner Andriy Shevchenko was close, Christian Vieri's highlights and world-record transfer fee came last century.

From BBC Mar. 3, 2026

Each day he and his fiancée Sarah would sit on a bench at the South Pasadena train stop and make up ridiculous stories about strangers, transforming average passers-by into assassins and cowboys.

From Salon Dec. 14, 2024

Halleck issued an order: If the assassins are caught, put them in double irons and take them to the commander of the Washington Navy Yard, who will confine them to a monitor warship anchored there.

From "Chasing Lincoln's Killer" by James L. Swanson

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training