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

Reactionary beliefs and conspiratorial thinking are thus summoned out of these hipsters like a cobra from a basket. — Literary Hub, 1 Oct. 2026

Gen asks to speak with Aesha, who follows her upstairs after exchanging a conspiratorial glance with Kat. — Rafaela Bassili, Vulture, 22 Sep. 2026

This atmosphere of collective powerlessness offers one explanation for the conspiratorial thinking at the heart of Lamar versus Drake. — Jeff Ihaza, Rolling Stone, 14 Sep. 2026

The guidance specified that Fox’s programs should not follow Trump down a conspiratorial rabbit hole relating to the 2020 election. — Brian Stelter, CNN Money, 4 Sep. 2026

Word History

First Known Use

1855, in the meaning defined above

Rhymes for conspiratorial

• categorial
• curatorial
• dictatorial
• directorial
• editorial
• equatorial
• immemorial
• infusorial
• janitorial
• professorial
• reportorial
• senatorial

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