the GNU version of the Collaborative International Dictionary of English
ad. In an impure manner.
The Century Dictionary and Cyclopedia
In an impure manner; with impurity.
Word Usage
"The respectable man who keeps within the law and does no outward harm, but who thinks sordidly, meanly, or impurely, is the man of all others who is farthest from the kingdom of God, because he does not feel his need, nor can anyone help him."