D defs.my
Entry 1 sense Webster, 1913

Tedium

/tēd'-ē-əm/ · Te·di·um · IPA /ˈtiː.di.əm/
01 n. Irksomeness; wearisomeness; tediousness.
  1. 1.
    Irksomeness; wearisomeness; tediousness.
    “To relieve the tedium, he kept plying them with all manner of bams.” — Prof. Wilson.
    “The tedium of his office reminded him more strongly of the willing scholar, and his thoughts were rambling.” Dickens.