conspiratorial

adjective

con·​spir·​a·​to·​ri·​al kən-ˌspir-ə-ˈtȯr-ē-əl 

: of, relating to, or suggestive of a conspiracy

conspiratorially

kən-ˌspir-ə-ˈtȯr-ē-ə-lē 

adverb

Examples of conspiratorial in a Sentence

She gave me a conspiratorial smile across the table.

His voice became low and conspiratorial.

Recent Examples on the Web

At certain times, such conspiratorial thinking and refusal to accept the evidence will become dangerous—people will spin up fantasies that result in acts of defamation or threats of violence. —Kaitlyn Tiffany, The Atlantic, 7 Aug. 2025

Over 19,000 users liked the comment, boosting the conspiratorial language under the senator’s viral post. —Molly Gibbs, Sacbee.com, 2 Aug. 2025

But the public discourse around the origin of the pandemic has increasingly been shaped by political agendas and conspiratorial narratives. —CNN Money, 31 July 2025

The least conspiratorial theories will likely revolve around the new regime’s mandate to cut costs and focus on the most profitable dayparts. —Josef Adalian, Vulture, 18 July 2025

Word History

First Known Use

1855, in the meaning defined above

Rhymes for conspiratorial

• ambassadorial
• combinatorial
• gladiatorial
• gubernatorial
• inquisitorial
• mediatorial
• multifactorial
• prosecutorial
• supratentorial
• arboreal
• armorial
• authorial

Kids Definition

conspiratorial

adjective

con·​spir·​a·​to·​ri·​al kən-ˌspir-ə-ˈtōr-ē-əl 

-ˈtȯr-

: of or relating to a conspiracy

conspiratorially

-ē-ə-lē 

adverb

Legal Definition

conspiratorial

adjective

con·​spir·​a·​tor·​i·​al kən-ˈspir-ə-ˈtōr-ē-əl 

: of, relating to, or suggestive of a conspiracy

conspiratorially adverb