: the action or process of becoming impaired or inferior in quality, functioning, or condition : the state of having deteriorated rust deterioration the deterioration of academic standards.

What is a Detrition?

: a wearing off or away.

What's introspective mean?

: characterized by examination of one's own thoughts and feelings : thoughtfully reflective : employing, marked by, or tending to introspection As a student, he was very quiet and introspective. …