unredeemable
/ˌʌnrɪˈdiːməbəl/
adjective
- Impossible to exchange for money, goods, or something of value.
- The old gift card was unredeemable because the store had closed.
- The ticket was unredeemable after the expiration date.
- These outdated coupons are unredeemable at any location.
- Impossible to save, improve, or make acceptable again.
- His behavior was so cruel that many considered him unredeemable.
- The villain in the story seemed completely unredeemable.
- The company's reputation was unredeemable after the scandal.
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