'obliterate' definitions:

Definition of 'obliterate'

(from WordNet)
adjective
Reduced to nothingness [syn: blotted out, obliterate, obliterated]
verb
Mark for deletion, rub off, or erase; "kill these lines in the President's speech" [syn: kill, obliterate, wipe out]
verb
Make undecipherable or imperceptible by obscuring or concealing; "a hidden message"; "a veiled threat" [syn: obscure, blot out, obliterate, veil, hide]
verb
Remove completely from recognition or memory; "efface the memory of the time in the camps" [syn: obliterate, efface]
verb
Do away with completely, without leaving a trace

Synonyms of 'obliterate'

From: Moby Thesaurus