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

In the past several years, Edge had filed a string of civil lawsuits with rambling, sometimes conspiratorial claims. —Zoe Sottile, CNN Money, 28 Sep. 2025

Couldn’t a handful have said Pete Hegseth running the Pentagon is dubious enough, but giving a conspiratorial lunatic power over the Centers for Disease Control is a bridge far too far? —U T Editorial Board, San Diego Union-Tribune, 26 Sep. 2025

Neither a lengthy period of incarceration nor a pardon will cure people like Meredith of their conspiratorial mind-set, the expert told me. —Charles Bethea, New Yorker, 24 Sep. 2025

Written by Spike Jonze and Halina Reijn, the 30-minute short stars Moore as the mother of Palmer, Page, and a conspiratorial Edward Norton. —Jennifer Zhan, Vulture, 24 Sep. 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