co·​con·​spir·​a·​tor | \ ˌkō-kən-ˈspir-ə-tər How to pronounce coconspirator (audio) \
variants: or co-conspirator
plural coconspirators or co-conspirators

Definition of coconspirator

: a person who conspires with one or more others : a fellow conspirator … he was named as an unindicted coconspiratorTrans-Action Five of his co-conspirators were also jailed for their roles in the plot.— Tom Powell … was one of four alleged co-conspirators indicted following what officials called one of the largest data breaches in history …— Stewart Bell and Adrian Humphreys

Examples of coconspirator in a Sentence

Recent Examples on the Web

Meanwhile, Paz and Crandall have already agreed to plea deals and could testify against their onetime friend, along with a potential parade of other alleged coconspirators. Claire Galofaro,, "Ex-Eagle Scout accused in online drug empire to stand trial," 11 Aug. 2019 Flynn's lawyers have complained that prosecutors had no good reason to reverse course on putting Flynn on the stand and have worried that the decision to label Flynn as an unindicted coconspirator will hurt him at his own sentencing. NBC News, "Ex-Flynn business partner convicted of illegal lobbying," 23 July 2019 And, apparently, then the question becomes, is the president an unindicted coconspirator, should, at least, the congress be looking at this and saying, gee, the president looks to have been named as having committed a felony? Fox News, "Media coverage of Mollie Tibbetts' murder," 23 Aug. 2018 Sometimes, Celeste sees herself as a victim, sometimes as a coconspirator, sometimes as the true monster. Doreen St. Félix, The New Yorker, "“Big Little Lies” Season 2, Reviewed: Meryl, Meryl, Meryl," 9 June 2019 Rod Rosenstein is either a witness or a coconspirator in the case if there is an obstruction because of the firing of James Comey. Fox News, "Sean Spicer: CNN's Jim Acosta owes Trump an apology," 2 Aug. 2018 Roland Mouret has chosen to present many of his past designs in new fashion stories specially commissioned for the book, styled by his long-standing collaborator and coconspirator Sophia Neophitou, who oversees the 10 Magazine publishing empire. Mark Holgate, Vogue, "Roland Mouret’s New Book About His Life and Work Brings His Past Right Here Into the Present," 6 Nov. 2018 In one email to the unindicted coconspirator, Pierce suggested a starting price to be used in the negotiations and said the deal needed to happen fast, prosecutors say. Jacques Billeaud, The Seattle Times, "Ex-Arizona regulator charged with bribery heads to trial," 27 May 2018 Reese’s alleged coconspirator in the thefts, Richard Harley, 49, faces a January arraignment on some 90 criminal charges. Mark Fazlollah,, "Police officer probed in theft of homes," 2 Dec. 2012

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'coconspirator.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of coconspirator

1863, in the meaning defined above

Keep scrolling for more

Learn More about coconspirator

Dictionary Entries near coconspirator



Coconino Plateau





Statistics for coconspirator

Last Updated

4 Oct 2019

Look-up Popularity

Time Traveler for coconspirator

The first known use of coconspirator was in 1863

See more words from the same year

Keep scrolling for more

More Definitions for coconspirator


co-con·​spir·​a·​tor | \ ˌkō-kən-ˈspir-ə-tər\

Legal Definition of co-conspirator

: a fellow conspirator

Note: Under Federal law, a statement made by a co-conspirator during and to further the conspiracy is admissible as evidence, but there must be other evidence establishing both the conspiracy and the defendant's participation.

Comments on coconspirator

What made you want to look up coconspirator? Please tell us where you read or heard it (including the quote, if possible).


a topic to which one constantly reverts

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!