Definition of obliterate verb from the Oxford Advanced Learner's Dictionary

 

obliterate

 verb
verb
BrE BrE//əˈblɪtəreɪt//
 
; NAmE NAmE//əˈblɪtəreɪt//
 
Verb Forms present simple I / you / we / they obliterate
BrE BrE//əˈblɪtəreɪt//
 
; NAmE NAmE//əˈblɪtəreɪt//
 
he / she / it obliterates
BrE BrE//əˈblɪtəreɪts//
 
; NAmE NAmE//əˈblɪtəreɪts//
 
past simple obliterated
BrE BrE//əˈblɪtəreɪtɪd//
 
; NAmE NAmE//əˈblɪtəreɪtɪd//
 
past participle obliterated
BrE BrE//əˈblɪtəreɪtɪd//
 
; NAmE NAmE//əˈblɪtəreɪtɪd//
 
-ing form obliterating
BrE BrE//əˈblɪtəreɪtɪŋ//
 
; NAmE NAmE//əˈblɪtəreɪtɪŋ//
 
 
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[often passive] obliterate something to remove all signs of something, either by destroying or covering it completely The building was completely obliterated by the bomb. The snow had obliterated their footprints. Everything that happened that night was obliterated from his memory. Word Origin mid 16th cent.: from Latin obliterat- ‘struck out, erased’, from the verb obliterare, based on littera ‘letter, something written’.
See the Oxford Advanced American Dictionary entry: obliterate