plural conspiracies
Definition of conspiracy
1
: the act of conspiring together
They were accused of conspiracy to commit murder.
2a
: an agreement among conspirators
uncovered a conspiracy against the government
b
: a group of conspirators
a conspiracy made up of disgruntled aristocrats
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Merriam-Webster unabridged
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Time Traveler for conspiracy
The first known use of conspiracy was in the 14th century
See more words from the same century