Of, pertaining to, or designating, the followers of Jacob Amman, a strict Mennonite of the 17th century, who even proscribed the use of buttons and shaving as "worldly conformity". There are several branches of Amish Mennonites in the United States.
The Amish communities of Pennsylvania, despite the retro image of horse-drawn buggies and straw hats, have long been engaged in a productive debate about the consequences of technology. Howard Rheingold
Until fairly recently, Amish teachers would reprimand the student who raised his or her hand as being too individualistic. Calling attention to oneself, or being 'prideful,' is one of the cardinal Amish worries. Having your name or photo in the papers, even talking to the press, is almost a sin. Howard Rheingold