Lassitude is a weary lack of energy or interest. A general lassitude.
It is heavier than tiredness and does not lift after a night's sleep. Lassitude is one of the oldest words doctors use for a symptom nobody can measure.
1nounlassitudeA weary lack of energy or interest.
“A lassitude came over the office in the last week of August.”
lassitude is a state.
Latin lassitudo, from lassus, weary, which is related to the English word late.
Latin
lassitūdō — faintness, weariness
French
lassitude
English, today
lassitude
Built from
Borrowed from French lassitude, from Latin lassitūdō (“faintness, weariness”), from lassus (“faint, weary”), perhaps for ladtus, and thus akin to English late*.
Etymology from Wiktionary, CC BY-SA