Definitions

1. noun

A person of extremely low intelligence or mental capacity, often used pejoratively.

“He was accused of being a cretin for not understanding the basic concept of the plan.”

2. noun

A person suffering from cretinism, a condition caused by severe iodine deficiency in early childhood.

“The doctor explained that the child’s cretinism was due to the mother’s lack of iodine during pregnancy.”