assassinate

verb

as·​sas·​si·​nate ə-ˈsa-sə-ˌnāt 

assassinated; assassinating

transitive verb

1

: to murder (a usually prominent person) by sudden or secret attack often for political reasons

a plot to assassinate the governor

2

: to injure or destroy unexpectedly and treacherously

assassinate a man's character

assassinator

ə-ˈsa-sə-ˌnā-tər 

noun

Synonyms of assassinate

• murder
• slay
• execute
• kill

Choose the Right Synonym for assassinate

kill, slay, murder, assassinate, dispatch, execute mean to deprive of life.

kill merely states the fact of death caused by an agency in any manner.

killed in an accident

frost killed the plants

slay is a chiefly literary term implying deliberateness and violence but not necessarily motive.

slew thousands of the Philistines

murder specifically implies stealth and motive and premeditation and therefore full moral responsibility.

convicted of murdering a rival

assassinate applies to deliberate killing openly or secretly often for political motives.

terrorists assassinated the Senator

dispatch stresses quickness and directness in putting to death.

dispatched the sentry with one bullet

execute stresses putting to death as a legal penalty.

executed by lethal gas

Examples of assassinate in a Sentence

They discovered a secret plot to assassinate the governor.

President John F. Kennedy was assassinated in 1963.

Recent Examples on the Web

The remainder of my life will be dedicated to assassinating judges, attorneys, and a police station's entire shift staff. —Matthew Rodriguez, CBS News, 4 Dec. 2025

Luigi Mangione, the man accused of assassinating UnitedHealthcare CEO Brian Thompson a year ago, returns to court this week as his lawyers ask a Manhattan judge to toss out some evidence in the case. —NPR, 1 Dec. 2025

One year after prosecutors say Luigi Mangione brazenly assassinated UnitedHealthcare CEO Brian Thompson in midtown Manhattan, the 27-year-old is due in court for a multi-day hearing that could determine the balance of evidence in his state murder trial. —Josh Margolin, ABC News, 1 Dec. 2025

Death by Lightning is this period piece on Netflix about President Garfield and the man who assassinated him. —Paula Aceves, Vulture, 1 Dec. 2025

Word History

Etymology

see assassin

First Known Use

1600, in the meaning defined at sense 1

Rhymes for assassinate

• abbreviate
• accelerate
• accommodate
• accumulate
• acuminate
• adjudicate
• adulterate
• affiliate
• agglomerate
• agglutinate
• alleviate
• amalgamate

Kids Definition

assassinate

verb

as·​sas·​si·​nate ə-ˈsas-ᵊn-ˌāt 

assassinated; assassinating

: to murder a usually important person by a surprise or secret attack

assassination

ə-ˌsas-ᵊn-ˈā-shən 

noun