Related Clues:

• Labelled with year? That's old-fashioned
• Medieval cocktail?
• Veterans formed square
• Line in bootees unfortunately no longer in use
• Cocktail past its sell by date?
• No longer used, as a word
• Wrote ''January 25th'' on
• Discontinued outside broadcast -- one nudging bounds of taste
• Old boy has a couple of teeth to eat fish that's out of date
• Somewhat obsolete, went out
• Romantic occasion meeting duke in old hat
• Like a 41-Across
• Like the telegraph, nowadays
• On holiday with old hat that sounds like something out of Vogue
• Like a 2020 calendar, in two ways