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

Example Sentences

Recent Examples on the Web The officer arrested Gregory Acevedo, listed as one of the coconspirators by the attorney’s office, for possession of marijuana, court documents said. Isabella Volmert, Dallas News, 30 Mar. 2023 While contacting the driver and distracted by a coconspirator, a canine occupant attempted to elude on foot. oregonlive, 11 Aug. 2022 Pelkey and the other teen who lived outside of Chicago were to take a train or a bus and allegedly meet their fellow coconspirator in the city before the attack. Fox News, 26 Mar. 2022 In this case, the U.S. DOJ alleges Saab and his coconspirator Alvaro Pulido Vargas won contracts with the Venezuelan government in November 2011 to build low-income housing units. David Dawkins, Forbes, 1 Oct. 2021 That would be coconspirator Stein Agee who was a partner at Accounting Firm 2 and prepared some of the partnership tax returns. Peter J Reilly, Forbes, 19 June 2021 The posters were delivered to Atomwaffen members electronically and the coconspirators printed and delivered or mailed the posters to journalists or activists the group was targeting. Gabrielle Banks, Houston Chronicle, 26 Feb. 2020 Shortly after Epstein’s death, Berman issued a statement vowing to continue the investigation into his coconspirators. Nicole Hong,, 27 Jan. 2020 Schiff portrays Gordon Sondland, Trump’s ambassador to the EU, as a coconspirator in Trump’s thoroughgoing corruption. Andrew C. Mccarthy, National Review, 4 Dec. 2019 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'coconspirator.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1863, in the meaning defined above

Time Traveler
The first known use of coconspirator was in 1863

Dictionary Entries Near coconspirator

Cite this Entry

“Coconspirator.” Dictionary, Merriam-Webster, Accessed 10 Jun. 2023.

Legal Definition


: 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.

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