Definition of midweeker in US English:

midweeker

noun

  • 1An event, occasion, etc., which takes place midweek.

  • 2A person who participates in an event or activity midweek.

Origin

1970s; earliest use found in The Washington Post. From midweek + -er.

Pronunciation

midweeker

/ˌmɪdˈwiːkə/