to attack with false, malicious, and damaging charges or insinuations; slander.
2.
to sprinkle; bespatter.
Origin: 1480–90; < L aspersus besprinkled (ptp. of aspergere), equiv. to a-a-5+ -sper- (comb. form of spar-, var. of sparg-sparge) + -sus, var. of -tus ptp. suffix