idleness

noun

1 he was birched for his idleness at school:

laziness, indolence, slothfulness, sloth, shiftlessness, inertia, sluggishness, lethargy, languor, torpidity, torpor;

remissness, negligence, slackness, laxity;

French, archaic fainéance;

rare otiosity, hebetude.

▷antonyms industry.

2 we suffered a period of enforced idleness:

inactivity, inaction, dormancy, unemployment, rest, repose.

▷antonyms activity.

idleness Oxford Dictionary of English