tedium

[1]	tediousness , boredom , ennui , monotony , changelessness , invariability , long-windedness , wearisomeness , tiresomeness , boredom , ennui , dreariness , dullness , drabness , colourlessness , vapidity , insipidity , insipidness , two-dimensionality , banality , routine , repetitiousness
[2]	tediousness , tiresomeness