140 entries under noun topic. ×

1
monotomy(routine, dullness, slowness, tedium)
1
monotony(dullness, tedium, ennui, doldrums)
1
motionless
1
numbness
1
passiveness(inactivity, fatigue, lethargy, inertia)
1
pathology(destruction, death, demise)
1
perniciousness(destruction, death, demise, pathology)
1
pestilence(destruction, death, demise, pathology)
1
pococurantism
1
reposefulness
1
routine(dullness, slowness, tedium, feebleness)
1
sameness(routine, dullness, slowness, tedium)
1
sedentariness
1
sleep(calm, fatigue, rigidity, stillness)
1
stagnancy
1
staleness(routine, dullness, slowness, tedium)
1
stupefaction
1
supineness(fatigue, weariness, stupor, tiredness)
1
tranquillity(calm, stillness, immobility)
1
unconcern(fatigue, weariness, stupor, tiredness)
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APASmart Define. (2015). lifelessness thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/lifelessness/thesaurus/synonyms
ChicagoSmart Define. 2015. "lifelessness thesaurus" https://smartdefine.org/lifelessness/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, lifelessness thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/lifelessness/thesaurus/synonyms>.
MLASmart Define. "lifelessness thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/lifelessness/thesaurus/synonyms>