IPA: /əˈblɪtəreɪt/
KK: /əˈblɪtəˌreɪt/
To completely destroy or remove something so that nothing remains.
The flood obliterated the small town, leaving only ruins behind.
Past: obliterated
Past Participle: obliterated
Obliterate → It is formed from "ob-" (meaning against) and "literare" (from "littera", meaning letter). The word originally described the act of erasing letters or writing, hence to completely destroy or wipe out.
Think of 'against' ('ob-') and 'letters' ('literare') to remember that obliterate means to completely erase or destroy something.