te·di·um noun alsotae·di·um\ˈtēdēəm\ (-s) Etymology: Latin taedium irksomeness, disgust, from taedēre to disgust, weary 1.: the quality or state of being tedious : tediousness < incessant recurrence without variety breeds tedium — J.L.Lowes > 2.: a tedious period of time < long tediums of strained anxiety — H.G.Wells >