Definition of Mondayishness in English:

Mondayishness

noun

  • The quality of feeling produced by Mondays. Originally of a clergyman: an indisposition or lethargy, caused by the work of Sunday (now rare). Subsequently also more widely: the lethargy or disinclination resulting from a busy or eventful weekend or from having to resume work after the weekend.

Origin

Mid 19th century; earliest use found in George Gilfillan (1813–1878), minister of the United Presbyterian church and author. From Mondayish + -ness.

Pronunciation

Mondayishness

/ˈmʌndɪɪʃnɪs//ˈmʌndeɪɪʃnɪs/