3
staleness(noun, routine, dullness, slowness, feebleness)
2
arduousness(noun, difficulty, toughness, hardness)
2
blues(noun, sorrow, depression, melancholy, sadness)
2
boringness(noun, dullness, monotony)
2
colorlessness(noun, routine, dullness, slowness, feebleness)
2
debilitation(noun, weariness)
2
depression(noun, sorrow, melancholy, sadness, gloom)
2
discontent(melancholy, ennui)
2
dread
2
droopiness(noun, weariness)
2
faintness(noun, weariness)
2
incuriosity(noun, melancholy, dullness, apathy, indifference)
2
joylessness(dullness, monotony)
2
languidness(melancholy, apathy, languor, boredom, world-weariness)
2
lassitude(noun, depression, melancholy, gloom, dullness)
2
long-windedness
2
malaise(depression, gloom, lethargy, slump, sluggishness)
2
painfulness(difficulty, toughness, hardness)
2
repetitiveness(noun, routine, dullness, monotony, flatness)
2
sleepiness(noun, weariness)
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APASmart Define. (2015). tedium thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/tedium/thesaurus/synonyms
ChicagoSmart Define. 2015. "tedium thesaurus" https://smartdefine.org/tedium/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, tedium thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/tedium/thesaurus/synonyms>.
MLASmart Define. "tedium thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/tedium/thesaurus/synonyms>