straightedge

/ˈstreɪtˌɛdʒ/
noun
  1. A tool with a straight edge used for drawing or measuring straight lines.
    • The architect used a straightedge to draw precise blueprints.
    • She aligned the ruler with the straightedge to check the line's accuracy.
    • A metal straightedge is more durable than a plastic one for cutting.
  2. A lifestyle or subculture that rejects alcohol, tobacco, and recreational drugs, often associated with punk music.
    • The band's lyrics promoted straightedge values of sobriety and self-control.
    • Many straightedge teens find support in their local music scene.
    • He adopted a straightedge lifestyle and stopped drinking completely.
adjective
  1. Relating to or characteristic of the straightedge subculture; abstaining from alcohol, tobacco, and drugs.
    • She wore a straightedge T-shirt to the concert.
    • His straightedge friends encouraged him to stay clean.
    • The straightedge movement emphasizes personal responsibility.