tediousness Synonyms

aridity sameness slowness staleness stuffiness tediosity tedium uniformity vapidity weariness colorlessness colourlessness lifelessness boringness repetitiveness wearisomeness prolixity pococurantism blandness boredom circuity deadliness deadness dreariness dryness dullness ennui flatness insipidity insipidness minatory monotone monotony tiresomeness