sloth
n. uncountablen. a strong feeling of laziness or a total lack of effort. It is often used to describe someone who refuses to work or do anything useful.
n. habitual disinclination to exertion; laziness or indolence. Historically identified as one of the seven deadly sins in Christian theology.
He was fired from his job because of his constant sloth.
The manager complained that the team's collective sloth was the primary reason they missed the project deadline.
In classical literature, sloth is portrayed not merely as physical laziness but as a spiritual apathy that prevents a person from fulfilling their moral duties.
From Middle English slouthe, slewthe (“laziness”), from Old English slǣwþ (“sloth, indolence, laziness, inertness, torpor”), from Proto-West Germanic slaiwiþu, from Proto-Germanic slaiwiþō (“slowness, lateness”), equivalent to slow + -th (abstract nominal suffix). Cognate with Scots sleuth (“sloth, slowness”).
Uncountable when referring to the character trait; countable when referring to the slow-moving tropical mammal.