1. An Intense emotional feeling of suffering that is caused by loss, disaster, misfortune, regret, etc. 2. Acute sorrow; deep sadness. The person in grief cries for help and pleas for sympathy. 3. Expressed as sorrow. When a person cannot feel or express their grief, or they refuse to accept a loss, they suppress, deny and disown it often resulting in a state of denial as if the loss or cause of their grief never happened. 4. Grief as an emotion is in the Redzone and Denial is in the Brownzone.