Criminal Psychology Vocabulary

noun a throwback to an earlier stage of evolution

• The presence of a tail in some humans is considered an atavism, a throwback to our evolutionary ancestors.
• I heard that having wisdom teeth is actually an atavism from our ancestors.
• Dude, having a pinky toe that's separate from the rest is like a total atavism.
• His violent outburst was seen as an atavism of his family's history of aggression.

noun a person who is extremely enthusiastic about something

adjective showing excessive enthusiasm or excitement

• The maniac was apprehended by the police after a long chase.
• That maniac really needs to calm down before someone gets hurt.
• Dude, that guy is a total maniac when he's driving!
• Her obsession with perfection turned her into a cleaning maniac.

noun a state of mental illness or disturbance

• The psychologist diagnosed him with a sick mind due to his disturbing thoughts and behaviors.
• I can't believe he said that, he must have a sick mind.
• She's always spreading rumors, she must have a sick mind.
• His obsession with power and control shows he has a sick mind.