noun, plural con·spir·a·cies.
Origin of conspiracy
Synonyms for conspiracy
Examples from the Web for conspiratorially
Contemporary Examples of conspiratorially
As their son confers with a Colby admissions counselor, they lean in conspiratorially near the door.The Great College Road Trip
April 8, 2011
noun plural -cies
mid-14c., from Anglo-French conspiracie, Old French conspiracie "conspiracy, plot," from Latin conspirationem (nominative conspiratio) "agreement, union, unanimity," noun of action from conspirare (see conspire); earlier in same sense was conspiration (early 14c.), from French conspiration (13c.), from Latin conspirationem. An Old English word for it was facengecwis. As a term in law, from 1863. Conspiracy theory is from 1909.