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Definitions

conspiracy

[kuhn-spir-uh-see] / kənˈspɪr ə si /
NOUN
collusion in plan
Synonyms
STRONGEST
plot scheme sedition treason
STRONG
cabal confederacy connivance countermine counterplot disloyalty fix frame game hookup intrigue league machination perfidy practice treachery trick trickery
WEAK
complot covin little game put-up job treacherousness
Antonyms
STRONG
faithfulness honesty ignorance loyalty

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Did you want to play into any of the conspiracy theories about the airport?

From Los Angeles Times • Mar. 30, 2026

They’re going to create all these fictional conspiracy theories.

From Slate • Mar. 30, 2026

"The very nature of the alleged conspiracy does not state an antitrust claim, and the court therefore has no qualm dismissing with prejudice," she concluded.

From BBC • Mar. 26, 2026

"The publication of historical archives strengthens institutional credibility, helps debunk conspiracy theories and demonstrates a commitment to the truth," according to a guide published with the documents.

From Barron's • Mar. 24, 2026

Then there are the younger ones like me: kids whose crimes cast them out of warm homes, or cold homes, or no homes, by a parental conspiracy that sees all with unblinking Big-Brother eyes.

From "Challenger Deep" by Neal Shusterman

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.