- To sprinkle, as water or dust, upon anybody or
anything, or to besprinkle any one with a liquid or with dust. - 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 or his writings; to asperse a man's
character.
Meaning of 'asperse' (Princeton's WordNet)
1 . asperse
[ v]
Meaning (1): - charge falsely or with malicious intent; attack the good name and reputation of someone