out of date

/aʊt əv deɪt/
adjective
  1. No longer current, modern, or fashionable; old-fashioned.
    • Her wardrobe is full of out-of-date clothes from the 1990s.
    • Many people think that printed maps are out-of-date now that we have GPS.
    • The company's software is out-of-date and needs to be upgraded.
  2. No longer valid or usable because the expiration date has passed.
    • The coupon was out-of-date, so the store wouldn't accept it.
    • Don't drink that milk; it's out-of-date and might be sour.
    • He took out-of-date medicine by accident and had to call the doctor.
  3. Based on old information; not reflecting the current situation.
    • The report is out-of-date because the data was collected five years ago.
    • The textbook contains out-of-date facts about the solar system.
    • His out-of-date phone number meant I couldn't reach him.
What does "out of date" mean? | whatsthatwordmean | whatsthatwordmean