zero hournoun [ U ]uk /ˈzɪə.rəʊ ˌaʊər/ us /ˈzɪr.oʊ ˌaʊr/
Thesaurus: synonyms and related words
(Definition of “zero hour” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
Get a quick, free translation!
More meanings of “zero hour”
Word of the Day
a small, usually wooden, shelter for a dog to sleep in outside