Gore already gives off a strong impression of being mentally deficient.

You approach me as if I were mentally deficient, with a tale which would not impress a child.

Anybody who says he's not scared is either a liar or mentally deficient.

Defense lawyers, who expect to complete their case this week, are depicting him as an abandoned, mentally deficient child.

I am not for a moment suggesting that Iowans are mentally deficient.

Bentley was mentally deficient and many believed he should not have been held responsible for his actions.

My parents, who can't quite believe I finally talked someone into marrying me, think you're either mentally deficient or a saint.

His goal was to formulate a treatment and training plan for the mentally deficient that would best serve society.

It revealed the fact that James was deficient mentally, save in one thing.

I've heard it said that mentally deficient individuals should be put to death because they have nothing to offer.