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

After a nearly nine-week trial, the other four defendants were found guilty in May of conspiring with former Colombian soldiers to assassinate Moïse. — Jacqueline Charles, Miami Herald, 28 Sep. 2026

He was later arrested on state charges of possessing a weapon of mass destruction for an act of terrorism and conspiring to or making a bomb threat. — Jeff Winter, CNN Money, 28 Sep. 2026

Ansariy is charged with conspiring to and attempting to provide material support to a foreign terrorist organization. — Colin Mixson, New York Daily News, 25 Sep. 2026

In the centuries since, some scholars have theorized that powerful relatives and political rivals conspired to have Báthory imprisoned for their own benefit. — Caroline Blair, PEOPLE, 25 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