2
hopelessness(noun, trouble, worry, distress, anxiety)
2
humdrum(noun, adjective, routine, dullness, tedium)
2
jadedness(noun, melancholy, dullness, apathy, indifference)
2
lack of interest(noun, expression, idiom, melancholy, dullness)
2
languishment(noun, fatigue, tiredness, exhaustion)
2
lifelessness(dullness, monotony, tediousness)
2
lowness(noun, trouble, worry, distress, sorrow)
2
lugubriosity(noun, trouble, worry, distress, sorrow)
2
malaise(depression, gloom, discontent, lethargy, turbulence)
2
melancholia(noun, trouble, worry, distress, sorrow)
2
mortification(noun, trouble, worry, distress, anxiety)
2
pall(verb, fail, strain, annoy, irritate)
2
passivity(noun, depression, inactivity, indifference, lethargy)
2
pensiveness(noun, sorrow, depression, melancholy, sadness)
2
plaintiveness(noun, dejection)
2
qualm(noun, trouble, worry, distress, sorrow)
2
restlessness(discontent, turbulence, strife)
2
sloth(noun, inactivity, laziness, inertia)
2
slothfulness(noun, inactivity, laziness, inertia, passivity)
2
sluggishness(noun, inactivity, fatigue, lethargy, laziness)
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APASmart Define. (2016). ennui thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ennui/thesaurus/synonyms
ChicagoSmart Define. 2016. "ennui thesaurus" https://smartdefine.org/ennui/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, ennui thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ennui/thesaurus/synonyms>.
MLASmart Define. "ennui thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/ennui/thesaurus/synonyms>