Third-person singular present tense of conspire; secretly plans something harmful or illegal with others.
From conspire (from Latin conspirare, to plot together). Regular conjugation of the verb conspire.
The verb 'conspire' comes from Latin meaning 'to breathe together'—con- (together) + spirare (to breathe)—so originally it meant people literally gathering closely, which evolved into the idea of secretly plotting together.
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