Today's word of the day, Obliterate Today's word of the day from The Arbiter is "Obliterate" Obliterate means to destroy completely or wipe out, leaving no trace behind. It can also mean to erase or obscure something from memory or existence. READ ALSO: Word of the day, tangentially Synonyms for "obliterate" include: - Eradicate - Demolish - Erase - Wipe out - Destroy, - Etc Obliterate is pronounced as ə-ˈbli-tə-ˌrāt. Drop a sentence with the word Obliterate, let's see how well you understand it....