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
the person who sits in the back of a rowing boat and controls its direction