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

The release date rolled around and the cups quickly sold out nationwide, with disappointed customers left empty-handed and full of conspiratorial theories. —Sabrina Weiss, PEOPLE, 8 Dec. 2025

Musk has explicitly attempted to mold Grok to fit his racist and conspiratorial beliefs, and has used it to create his own version of Wikipedia. —Matteo Wong, The Atlantic, 4 Dec. 2025

For many young men, Rogan’s podcast is their first introduction to conspiratorial thinking and a catalyst for dangerous trends like vaccine skepticism. —Rafael Perez, Oc Register, 1 Dec. 2025

Greene came to Congress with a reputation for supporting the conspiratorial QAnon movement. —Michael Loria, USA Today, 22 Nov. 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