zillionthEnglishOxford Dictionary of Englishzillionth /ˈzɪljən(t)θ / ▸ ordinal number informal 1 used to emphasize that something has happened repeatedly many times: for the zillionth time, it's not a big deal I had my zillionth trip to the hospital. 2 a tiny fraction of something: a few zillionths of a percentage.
EnglishOxford Dictionary of EnglishEnglishOxford Dictionary of English
EnglishOxford Dictionary of English