| A | B |
| affect | feelings and emotions |
| anxiety | a vague, uneasy feeling in response to stress |
| compulsion | repeating an act over and over again |
| defense mechanism | an unconscious reaction |
| delusion of grandeur | an exaggerated belief about one's importance, wealth, power, or talents |
| delusion of persecution | a false belief that one is being mistreated, abused, or harassed |
| flashback | reliving the trauma in thoughts during the day and in nightmares during sleep |
| hallucination | seeing, hearing, smelling, or feeling something that is not real |
| mental | relating to the mind; something that exists in the mind or is done by the mind |
| mental disorder | a disturbance in the ability to cope with or adjust to stress; behavior and function are impaired; mental illness, emotional illness, psychiatric disorder |
| mental health | the person copes with and adjusts to everyday stresses in ways accepted by society |
| obsession | a recurrent, unwanted thought, idea, or image |
| panic | an intense and sudden feeling of fear, anxiety, terror or dread |
| paranoia | a disorder of the mind; false beliefs, and suspicion about a person or situation |
| phobia | an intense fear |
| psychosis | a state of severe mental impairment |
| stress | the response or change in the body caused by any emotional, physical, social, or economic factor |
| stressor | the event or factor that causes stress |