midweek

Etymology

From mid- + week. Compare Saterland Frisian Midwiek (“Wednesday”, literally “midweek”), German Mittwoch (“Wednesday”, literally “midweek”).

noun

1. The middle of the week.
   In midweek, however, the stretch is reasonably quiet and I can conceal myself behind a clump of rushes and cast a big piece of luncheon meat on a link-leger rig right in the deep hole and let the current roll it under the roof. 1987, Graham Marsden, Advanced coarse fishing
   Peter Dods was captain in the midweek games but, like Sole, the Gala fullback has also hung up his boots. 1991, Rugby World and Post
2. (Christianity, Latter-Day Saints, Jehovah's Witnesses, informal) Midweek worship service, held by many congregations and in addition to a Sunday morning service.
   This Wednesday is churchwide midweek; men's is the next one.

adj

1. That happens in the middle of the week
   I did not really wonder, after sampling the "Settebello's" standards of comfort and service, that even on a midweek day in autumn there was not a seat to spare, despite the cost. 1960 March, G. Freeman Allen, “Europe's most luxurious express - the "Settebello"”, in Trains Illustrated, page 140

adv

1. In the middle of the week.
   Leicester could only manage a goalless draw midweek with Sutton Coldfield and will be keen to return to winning form. 1989, The Independent