From Longman Dictionary of Contemporary Englishweeknightweek‧night /ˈwiːknaɪt/ noun [countable] TMCany night except Saturday and Sunday
Examples from the Corpus
weeknight• There had been a weeknight meeting, held once a fortnight, at Ballintaggart.• The web site proved to be a bit bulky and tough to maneuver during a weeknight trial run...• So what is the management serving the young hipsters who crowd this bar even on a weeknight?• Recently, we were tucked into one of the last available booths on what looked to be a brisk weeknight.• If the message didn't sink in on a Sunday a range of weeknight meetings reinforced it.• The plays can be seen separately on weeknights or together in marathon weekend performances.• On weeknights, Williams spends much of his rare non-working hours coordinating with his volunteers about who will work when.• A task which involved organising all the Sunday services, Sunday school and several weeknight activities. 