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 an already conspiratorial information environment, uncertainty about whether independent reporting can be trusted can be exploited by bad actors seeking to sow confusion and undermine confidence in journalism. — Brian Stelter, CNN Money, 11 Aug. 2026

Her videos were outrageous and conspiratorial, and the more elaborate and bizarre her stories became, the more people online were drawn to her. — Zander Sherman, Rolling Stone, 7 Aug. 2026

And there always seems to be someone—a new young actor, model, musician, influencer—available for scrutiny, whose apparent speedrun to fame becomes ground for conspiratorial investigation. — Brady Brickner-Wood, New Yorker, 5 Aug. 2026

At its best, that instinct lends his comedies a shaggy warmth and a conspiratorial mood that suggests the filmmaker, character, and even viewers are all surviving the humiliation of modern intimacy together. — Alison Foreman, IndieWire, 5 Aug. 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