What does acedia mean?
Acedia refers to a state of spiritual or mental sloth — an apathetic listlessness marked by indifference, torpor, and an inability to care about or engage with one's duties. The word descends from ancient Greek through Latin into English, where it became significant in early Christian monasticism: desert fathers and medieval monks identified acedia as a dangerous temptation, sometimes personified as the 'noonday demon,' that sapped their resolve during long hours of prayer and labor. It is closely related to, though historically distinct from, the sin of sloth. Today acedia appears mainly in literary, religious, and scholarly contexts, often invoked to describe a deep, almost existential weariness rather than ordinary laziness. Writers reach for it when they want to name a heaviness of spirit that resists effort and erodes meaning — a condition more haunting than simple idleness, and harder to shake.
nounAcedia is spiritual or mental sloth, apathy, and listlessness — a state of indifference or torpor, especially as traditionally regarded in Christian monastic thought as one of the deadly sins. In modern usage it denotes a profound lack of motivation or care.
- Apathy, sloth, or spiritual torpor, especially as classed among the deadly sins in Christian tradition.
- A state of listlessness or profound lack of motivation (extended modern usage).
"By midwinter he had sunk into a quiet acedia, unable to summon interest in work, prayer, or company."
"The hermit struggled against the noonday demon of acedia that made the hours drag like years."
"Her creative block had hardened into a kind of acedia; she could no longer remember why the work had mattered."
Rarely pluralized; acedia is almost always used as an uncountable mass noun describing a state or condition.
"Different monks described their acedias differently, but all spoke of the same heavy emptiness."
Acedia was once called the 'noonday demon' — the wave of despair that ambushed monks in the middle of a long, empty afternoon.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of acedia
Acedia comes from the Greek 'akēdia' (ἀκηδία), formed from 'a-' (without) and 'kēdos' (care, grief), literally meaning 'lack of care.' It passed into Latin as 'acedia' and entered English via ecclesiastical Latin, becoming prominent in Christian moral theology. Its older English form 'accidie,' borrowed through Old French, was common in Middle English before falling out of use, with 'acedia' later revived as the learned Latinate form.
How acedia is actually used
Acedia is a formal, literary, or scholarly term. It carries strong historical and religious connotations from monastic tradition, where it described a specific temptation of monks — restlessness mixed with despair and aversion to spiritual discipline. In contemporary writing it is often used to lend gravity to what might otherwise be called burnout or apathy.
Easily confused with acedia
Acedia means spiritual sloth or apathy, while acidity refers to the quality of being acid or sour.