IPA: /kənˈspɪrəsi/
KK: /kənˈspɪrəsi/
A secret plan made by a group of people to do something harmful or illegal.
The police uncovered a conspiracy to commit fraud.
Conspiracy → It is formed from "con-" (meaning together) and "spirare" (meaning to breathe). The word originally referred to people breathing together, which evolved to mean plotting together in secret.
Think of people 'together' ('con-') 'breathing' ('spirare') in a secretive way — that's how conspiracy means a secret plot.