conspire

verb

con·​spire kən-ˈspī(-ə)r 

conspired; conspiring

transitive verb

: plot, contrive

intransitive verb

1

a

: to join in a secret agreement to do an unlawful or wrongful act or an act which becomes unlawful as a result of the secret agreement

accused of conspiring to overthrow the government

conspired to monopolize and restrict trade

b

: scheme

2

: to act in harmony toward a common end

Circumstances conspired to defeat his efforts.

… the sun and the wind conspired to make splinters out of solid wood.

—B. J. Oliphant

Synonyms of conspire

• plot
• scheme

Examples of conspire in a Sentence

conspired to replace the leader with someone more easily influenced

foul weather and airline foul-ups seemed to be conspiring to ruin our vacation

Recent Examples on the Web

The Colombians had initially been recruited to provide security for Sanon, a South Florida resident and Haitian American who sought to replace Moïse as president, and is now accused of conspiring to kidnap or kill him. — Jacqueline Charles, Miami Herald, 22 Sep. 2026

Trump dismisses warnings Anthropic’s Dario Amodei, OpenAI’s Sam Altman and SpaceXAI’s Elon Musk have all called for greater government oversight of the industry after a series of hacks revealed AI agents conspiring to deceive humans. — Jill Colvin, Chicago Tribune, 19 Sep. 2026

Every other subplot was the product of ESPN’s poor handling of the situation and Clark accusing us of conspiring with his former bosses. — Bobby Burack Outkick, FOXNews.com, 18 Sep. 2026

Her attorneys allege that Morris conspired with Gateway leaders to slander and defame Clemishire in order to protect himself and his organization. — Harriet Ramos, Fort Worth Star-Telegram, 17 Sep. 2026

Word History

Etymology

Middle English, from Anglo-French conspirer, from Latin conspirare to be in harmony, conspire, from com- + spirare to breathe

First Known Use

14th century, in the meaning defined at transitive sense

Rhymes for conspire

• briar
• brier
• buyer
• choir
• crier
• cryer
• drier
• dryer
• eyer
• flier
• flyer
• friar

Kids Definition

conspire

verb

con·​spire kən-ˈspī(ə)r 

conspired; conspiring

1

: to agree secretly to do an unlawful act : plot

conspiring to overthrow the dictator

2

: to act together

delays and the weather conspired to spoil our vacation

Legal Definition

conspire

intransitive verb

con·​spire kən-ˈspīr 

conspired; conspiring

: to join in a conspiracy compare solicit

Etymology

Latin conspirare to be in harmony, to join in an unlawful agreement, from com- together + spirare to breathe