/ kənˈspaɪə(r); NAmE / verb
1.
[ v ] conspire (with sb) (against sb) | conspire (together) to secretly plan with other people to do sth illegal or harmful :
They were accused of conspiring against the king.
They deny conspiring together to smuggle drugs.
She admitted conspiring with her lover to murder her husband.
2.
conspire against sb/sth | conspire to do sth ( of events ) to seem to work together to make sth bad happen :
[ v ]
Circumstances had conspired against them.
[ v to inf ]
Everything conspired to make her life a misery.
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WORD ORIGIN
late Middle English : from Old French conspirer , from Latin conspirare agree, plot, from con- together with + spirare breathe.