(n.) Irksomeness; wearisomeness; tediousness.

alliteration angst anguish anxiety assonance banality boredom changelessness cheerlessness chime colorlessness dingdong discomfort discomposure discontent dislike displeasure disquiet dissatisfaction doldrums drabness dread dreariness drone dullness emptiness ennui existential woe flatness grimness harping humdrum inquietude insipidity insipidness invariability irksomeness jingle jingle-jangle joylessness lack of pleasure long-windedness malaise monotone monotony nausea near rhyme nongratification nonsatisfaction painfulness pitter-patter repeated sounds repetitiousness repetitiveness rhyme routine savorlessness singsong slant rhyme spleen stale repetition staleness tastelessness tediousness tiresomeness trot uncomfortableness unease uneasiness unhappiness unnecessary repetition unpleasure unsatisfaction vapidity vexation of spirit wearisomeness yawn