obliterate
verb /əˈblɪtəreɪt/
  /əˈblɪtəreɪt/
[often passive]Verb Forms
| present simple I / you / we / they obliterate |  /əˈblɪtəreɪt/  /əˈblɪtəreɪt/ | 
| he / she / it obliterates |  /əˈblɪtəreɪts/  /əˈblɪtəreɪts/ | 
| past simple obliterated |  /əˈblɪtəreɪtɪd/  /əˈblɪtəreɪtɪd/ | 
| past participle obliterated |  /əˈblɪtəreɪtɪd/  /əˈblɪtəreɪtɪd/ | 
| -ing form obliterating |  /əˈblɪtəreɪtɪŋ/  /əˈblɪtəreɪtɪŋ/ | 
- 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.
 Oxford Collocations Dictionaryadverb- completely
- entirely
- totally
- …
 Word Originmid 16th cent.: from Latin obliterat- ‘struck out, erased’, from the verb obliterare, based on littera ‘letter, something written’.