ad. In an involuntary manner; done without conscious thought.
the GNU version of the Collaborative International Dictionary of English
ad. In an involuntary manner; not voluntarily; not intentionally or willingly.
The Century Dictionary and Cyclopedia
In an involuntary manner; not spontaneously; without one's will.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
ad. against your will
Word Usage
"As it is, Bobby Garwood was a major embarrassment to two government: the Socialist Republic of Vietnam, for their claiming no living Americans remain involuntarily in their country, and to the U.S. for believing them."