1
lack of pleasure(expression, idiom)
1
letdown(noun, sorrow, depression, melancholy, sadness)
1
lethargy(noun, melancholy, dullness, apathy, indifference)
1
levelness(noun, routine, dullness, monotony, flatness)
1
likeness(noun, routine, dullness, similarity, repetition)
1
low spirits(noun, expression, sorrow, depression, melancholy)
1
miserableness(noun, sorrow, depression, melancholy, sadness)
1
misery(noun, sorrow, depression, melancholy, sadness)
1
monotomy(noun, routine, dullness, slowness, feebleness)
1
monotonic
1
monotonous
1
monotonousness(noun, routine, dullness, monotony, flatness)
1
mopes(noun, sorrow, depression, melancholy, sadness)
1
mournfulness(noun, sorrow, depression, melancholy, sadness)
1
nausea
1
near rhyme
1
no difference(expression, likeness, similarity, unity, repetition)
1
nongratification
1
nonsatisfaction
1
oneness(noun, routine, dullness, likeness, similarity)
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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>