55 entries under routine topic. ×

26
boredom(noun, sorrow, depression, melancholy, sadness)
17
ennui(noun, sorrow, depression, melancholy, sadness)
17
monotony(noun, melancholy, dullness, apathy)
13
tediousness(noun, melancholy, dullness, apathy)
10
dullness(noun, depression, melancholy, gloom)
9
tiresomeness(noun, melancholy, dullness, apathy)
8
dreariness(noun, dullness, slowness, feebleness)
6
drabness(noun, dullness, slowness, feebleness)
6
sameness(noun, melancholy, dullness, apathy)
5
flatness(noun, melancholy, dullness, apathy)
5
vapidity(noun, dullness, slowness, feebleness)
5
weariness(noun, melancholy, dullness, apathy)
5
wearisomeness(noun, dullness, weariness, monotony)
4
humdrum(noun, adjective, dullness, monotony)
4
insipidity(noun, dullness, slowness, feebleness)
4
invariability(noun, dullness, monotony, flatness)
4
uniformity(noun, dullness, likeness, similarity)
3
insipidness(noun, dullness, slowness, feebleness)
3
lifelessness(noun, dullness, slowness, feebleness)
3
monotone(noun, dullness, monotony, flatness)
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APASmart Define. (2015). tedium thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/tedium/thesaurus/synonyms
ChicagoSmart Define. 2015. "tedium thesaurus" https://smartdefine.org/tedium/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, tedium thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/tedium/thesaurus/synonyms>.
MLASmart Define. "tedium thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/tedium/thesaurus/synonyms>