Medical Definition of 12–step
: of, relating to, or characteristic of a program that is designed especially to help an individual overcome an addiction, compulsion, serious shortcoming, or traumatic experience by adherence to 12 tenets emphasizing personal growth and dependence on a higher spiritual being
Seen and Heard
What made you want to look up 12–step? Please tell us where you read or heard it (including the quote, if possible).