unlive
verb/ʌnˈlɪv/
Etymology From un- + live.
1
To undo having lived (a period of time) (for example, by living it in reverse), so that it ceases to have happened.
- I wish I could unlive the last ten years.
unlive
verb/ʌnˈlaɪv/
Etymology From un- + live, as in alive.
1
Rare To bereave or deprive of life; make unalive.