v.
make secret plans jointly to commit an unlawful or harmful act.
▸(of circumstances) seem to be acting together, especially with unfortunate results.
Derivative
- conspirator n.
- conspiratorial adj.
- conspiratorially adv.
Etymology
ME: from OFr. conspirer, from L. conspirare ‘agree, plot’, from con- ‘together with’ + spirare ‘breathe’.