American Dictionary of the English Language

ASPERSE, verb transitive aspers'. [Latin aspergo, aspersus, of ad and spargo, to scatter.]

1. To bespatter with foul reports or false and injurious charges; to tarnish in point of reputation, or good name; to slander or calumniate; as, to asperse a poet of his writings; to asperse a character.

2. To cast upon.