xi /zī, ksī or ksē/

1. The fourteenth letter of the Greek alphabet (Ξ or ξ), corresponding to X
2. As a numeral ξˈ = 60, ˌξ = 60000

• old stories
• old story
• Old Style
• old talk
• old-talk
• old-talked
• old-talking
• old-talks
• Old Testament
• old thing
• old-time
• old-timer
• old-timers
• Old Tom
• old wife
• old wives
• old wives' tale
• old woman
• old-womanish
• Old Woman of Threadneedle Street
• old women
• old-world
• Old World
• Old Worlds
• oldy