| inertia(noun, disregard, interest, lack, dullness) |
| inertness(noun, disregard, dullness, apathy, inactivity) |
| ingratitude(noun, ingratitude) |
| injudiciousness |
| insensibleness(disregard, apathy, indifference, calmness, composure) |
| insignificance(noun, disregard, lack, apathy, indifference) |
| insignificancy(noun, disregard, indifference, detachment, unimportance) |
| intemperanc(resistance, recklessness, obstinacy, stubbornness, imprudence) |
| interest(noun, disregard, lack, apathy, coldness) |
| intractability(resistance, recklessness, obstinacy, stubbornness, imprudence) |
| intractableness(resistance, recklessness, obstinacy, stubbornness, imprudence) |
| isolationism(noun, disregard, interest, lack, apathy) |
| lack(noun, disregard, interest, apathy, indifference) |
| lack of care(noun, expression, idiom, disregard, negligence) |
| languor(noun, disregard, dullness, apathy, inactivity) |
| lapse of memory(expression, idiom, blank, carelessness, vagueness) |
| lawlessness(resistance, recklessness, obstinacy, stubbornness, imprudence) |
| levity |
| limbo(noun, disregard, blank, carelessness, negligence) |
| loss of memory(expression, idiom, blank, carelessness, vagueness) |