146 entries under noun topic. ×

4
cheerlessness
4
dissatisfaction(melancholy, apathy, languor, boredom)
4
fatigue(melancholy, dullness, apathy, indifference)
4
humdrum(adjective, routine, dullness, monotony)
4
insipidity(routine, dullness, slowness, feebleness)
4
invariability(routine, dullness, monotony, flatness)
4
languor(melancholy, apathy, fatigue, pensiveness)
4
listlessness(depression, melancholy, gloom, dullness)
4
melancholy(sorrow, depression, sadness, unhappiness)
4
uniformity(routine, dullness, likeness, similarity)
3
changelessness
3
exhaustion(fatigue, weariness, tiredness)
3
feebleness(dullness, weariness, blandness)
3
indifference(depression, melancholy, gloom, dullness)
3
insipidness(routine, dullness, slowness, feebleness)
3
irksomeness(melancholy, dullness, apathy, indifference)
3
lifelessness(routine, dullness, slowness, feebleness)
3
monotone(routine, dullness, monotony, flatness)
3
repetitiousness(routine, dullness, monotony, flatness)
3
staleness(routine, dullness, slowness, feebleness)
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APASmart Define. (2015). tedium thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tedium/thesaurus/synonyms
ChicagoSmart Define. 2015. "tedium thesaurus" https://smartdefine.org/tedium/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, tedium thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tedium/thesaurus/synonyms>.
MLASmart Define. "tedium thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/tedium/thesaurus/synonyms>