Added 9 October 2026 saturday noun Categories: TimeEveryday Words noun ! Definition from WordNet 3.1, Princeton University. More about saturday at Wordnik → Where our words come from → The seventh and last day of the week; observed as the Sabbath by Jews and some Christians. Related Words: satsabbathfridaytuesdaywednesdaymondaysundaythursdayweekendweekendscairoday Back to today's word