3 synonym groups for Inertia

indolence, idleness, sloth, lethargy, sluggishness, inactivity, inertia, torpor, languor, apathy, listlessness, shiftlessness, loafing, procrastination, dullness, laxness, slackness, dormancy, passivity, unproductiveness, lackadaisicalness, supineness, hebetude, otiosity, faineance, languidness, torpidity, ennui, weariness, fatigue, tiredness, drowsiness, somnolence, sleepiness, heaviness, languishment, lassitude, enervation, phlegm, indifference, nonchalance, unconcern, neglectfulness, remissness, dilatoriness, trifling, triflingness, unindustriousness [x]

lethargy, inertia, torpor, languor, listlessness, indolence, sloth, idleness, apathy, lassitude, sluggishness, dormancy, inactivity, dullness, fatigue, weariness, heaviness, drowsiness, stupor, somnolence, enervation [x]

lethargy, sluggishness, inactivity, dormancy, inertia, apathy, indolence, languor, listlessness, stupor, drowsiness, lassitude, idleness, somnolence, torpor, fatigue, weariness, ennui, passivity, numbness, dullness, heaviness, sloth, sleepiness, tiredness, languidness [x]