obliterate

Adjective

• reduced to nothingness

Verb

• do away with completely, without leaving a trace

• remove completely from recognition or memory
  • efface the memory of the time in the camps
    

• make undecipherable or imperceptible by obscuring or concealing
  • a hidden message
    
  • a veiled threat
    

• mark for deletion, rub off, or erase
  • kill these lines in the President's speech
    

Related words

• Synonyms: 
  blotted out , obliterated , efface , obscure , blot out , veil , hide , kill , wipe out