indifference (n.)
- abandon
- abeyance
- absentmindedness
- abstraction
- abulia
- acedia
- alienation
- aloofness
- anxiety
- apathy
- ataraxia
- blah
- blahs
- boredom
- callousness
- carelessness
- casualness
- catalepsy
- catatonia
- coldness
- comatoseness
- compulsion
- coolness
- deadliness
- dejection
- depression
- detachment
- disinterest
- disinterestedness
- dispassion
- dispassionateness
- disregard
- distraction
- dormancy
- drowsiness
- dullness
- easiness
- easygoingness
- elation
- emotionalism
- enervation
- ennui
- entropy
- euphoria
- fairness
- fatigue
- flightiness
- flippancy
- forgetfulness
- frivolousness
- giddiness
- hastiness
- heartlessness
- heaviness
- hebetude
- heedlessness
- hopelessness
- hypochondria
- hysteria
- hysterics
- immateriality
- impartiality
- impassiveness
- impassivity
- impotence
- imprecision
- inadvertence
- inadvertency
- inattention
- inattentiveness
- inconsequence
- inconsiderateness
- inconsideration
- indolence
- ineffectuality
- inertia
- inertness
- inferiority
- insensibility
- insignificance
- insouciance
- irrelevance
- languor
- lassitude
- latency
- laxity
- laxness
- laziness
- leniency
- lenitude
- lethargy
- levity
- lifelessness
- listlessness
- littleness
- looseness
- loosening
- mania
- marginality
- mediocrity
- melancholia
- moderateness
- modestness
- modesty
- negligence
- neutrality
- nonchalance
- nonobservance
- numbness
- objectivity
- oblivion
- obliviousness
- obsession
- oscitancy
- overindulgence
- passiveness
- passivity
- permissiveness
- pettiness
- phlegm
- preoccupation
- puniness
- recklessness
- relaxation
- remissness
- resignation
- respectability
- shallowness
- slackness
- sleepiness
- slightness
- sloppiness
- sloth
- slothfulness
- slowness
- sluggishness
- smallness
- softness
- somnolence
- sopor
- spiritlessness
- stagnancy
- stagnation
- stasis
- stolidity
- stupefaction
- stupor
- superficiality
- suspense
- tactlessness
- tediousness
- thoughtlessness
- tic
- torpidity
- torpidness
- torpor
- triviality
- twitching
- unawareness
- unconcern
- unconsciousness
- undutifulness
- unimportance
- unmindfulness
- unresponsiveness
- unrestraint
- unwariness
- vegetation
- weakness
- weariness
- withdrawal
- withdrawnness
- world-weariness
At length the morn and cold indifference came.
I am a man, and nothing that concerns a man do I deem a matter of indifference to me.