週しゅう日じつしゅうじつMeanings1nounweekdayRefers to any day of the week, typically Monday through Friday, as opposed to weekends or holidays.週しゅう日じつはいつも忙いそがしい。I'm always busy on weekdays.この店みせは週しゅう日じつのみ営えい業ぎょうしています。This shop is open only on weekdays.