mid·week 
/ˈmɪdˌwi:k/ noun
/ˈmɪdˌwi:k/ noun [noncount] : the middle of the week
▪ She has to finish the report by midweek.
▪ She has to finish the report by midweek.
— midweek adjective always used before a noun
▪ a midweek deadline
▪ a midweek deadline
— midweek adverb
▪ They'll be arriving midweek.
▪ They'll be arriving midweek.
