unbe

verb2

1. •
   (literary, rare) To deprive (someone or something) of being; to make nonexistent.
2. •
   (literary, rare) To lack being; to be nonexistent.

   • I cannot bear my fate as writ, / I'd have my life unbe; / Would turn my memory to a blot, / Make every relic of me rot, / My doings be as they were not, / And what they've brought to me! — 1901