1. Memorable for being a special occasion
   "on red-letter nights a large gathering greeted the celebrity"

See also: unforgettable

• drugless
• drugs bust
• drugstore
• Druid
• druidism
• drum
• drum brake
• drum machine
• drum major
• drum majorette
• drum out
• drum printer
• drum roll
• drum sander
• drum up
• drum-like
• drum-shaped
• drumbeat
• drumbeater
• drumfire
• drumfish
• drumhead
• drumhead court-martial
• drumlin
• drummer