Related Clues:

• So last year
• So yesterday
• Like old news
• It may be studied in school
• Using a Discman, e.g.
• Last year's
• Not in any more
• Out of vogue
• No longer trendy
• So last week
• Hardly in
• Out now
• Virtues' counterparts
• Stale, as styles
• Like last year's fashions