aspersion

(noun) a disparaging remark. Synonyms: slur. Examples: "In the 19th century any reference to female sexuality was considered a vile aspersion." "It is difficult for a woman to understand a man's sensitivity to any slur on his virility."

(noun) an abusive attack on a person's character or good name. Synonyms: calumny, slander, defamation, denigration.

(noun) the act of sprinkling water in baptism (rare). Synonyms: sprinkling.