prae-veniō vēnī, ventus, īre, to come before, precede, get the start of, outstrip, anticipate, prevent: hostis breviore viā praeventurus erat, L.: praevenerat fama, L.: Lucifero praeveniente, O.: desiderium plebis, L.: nisi praeveniretur Agrippina, i. e. unless Agrippina were put out of the way, Ta.

—To prevent, hinder (only pass.): quae ipse paravisset facere, perfidiā clientis sui praeventa, S.: Quod non praeventum morte fuisse dolet, O.