Adjective

(-)

Causing dementia.

* {{quote-news, year=2008, date=February 5, author=Jane E. Brody, title=A Heartfelt Appeal for a Graceful Exit, work=New York Times citation

, passage=He began to deteriorate rapidly from an ill-defined dementing illness, and his confusion and intermittent agitation did not respond to the standard treatments that were tried. }}

Undergoing dementia.

* 1987 , Jim Orford, Coping with disorder in the family (page 146)

If one is caring for a dementing spouse then the first relationship to be affected is that with the spouse.