shame-n; 2 Senses

Sense Number 1: A painful emotion resulting from an awareness of inadequacy or guilt.

Commentary: SHAME[+emotion]

One mistake brought shame to his family.
He suffered the shame of prison.
His shame will be his redemption.

PropBank: shame.01
WordNet 3.0 Sense Numbers: 1, 2

Sense Number 2: An unfortunate development.

Commentary: SHAME[+event]
NOTE: usually expressed as "a shame."

It was a shame that she couldn't come.
It was such a shame that he couldn't do it.

PropBank: NM
WordNet 3.0 Sense Numbers: 3