1. Used of competition or cooperation between secondary schools
   - interschool

See also: extramural

• double-blind study
• double-bogey
• double-breasted
• double-breasted jacket
• double-breasted suit
• double-check
• double-chinned
• double-click
• double-crosser
• double-crossing
• double-dealer
• double-dealing
• double-decker
• double-dip
• double-dyed
• double-edged
• double-entry bookkeeping
• double-faced
• double-geared
• double-glaze
• double-humped
• double-hung window
• double-jointed
• double-magnum
• double-park