Lewis Short
adversĭtas (noun F) : adversus
* Opposition, contrariety.
* In gen.: magnam adversitatem scorpionibus et stellionibus putant esse,a great natural hostility, antipathy,Plin. 11, 25, 30, § 90.
* Esp., misfortune, suffering, Cassiod.
Charlton T. Lewis, Charles Short, A Latin Dictionary