be compos mentis

(redirected from was compos mentis)

be compos mentis

Sane or mentally competent. The phrase is Latin for "of sound mind." I doubt that Travis was compos mentis when he committed that crime.
See also: compo

be ˌcompos ˈmentis

(from Latin, formal or humorous) having full control of your mind: Are you sure she was fully compos mentis when she said that?
See also: compo
References in periodicals archive ?
I think if I was compos mentis and I was really having a wretched life" - Broadcaster Sir David Attenborough (pictured), who supports assisted suicide, suggests he would consider ending his own life in such circumstances.
I had a man standing over me with a flashlight until 3am to make sure I was compos mentis.
Once I was compos mentis, I was humbled by the kindness shown by my friends and colleagues in the office towards me in my hour of need.
Like V-E Day, everyone who was compos mentis that day can remember it like it was yesterday.