unconcerned
1. [ adjective ] lacking in interest or care or feeling
Examples:

"the average American...is unconcerned that his or her plight is the result of a complex of personal and economic and governmental actions" "blithely unconcerned about his friend's plight"

Related terms: concerned degage casual blithe indifferent blase careless untroubled
2. [ adjective ] easy in mind; not worried
Examples:

"the prisoner seems entirely unconcerned as to the outcome of the examination"

Related terms: untroubled
3. [ adjective ] not occupied or engaged with
Examples:

"readers unconcerned with style"

Related terms: uninvolved
Similar spelling:   unconcernedly
  unconcern
  unaccented
  unconcealed
  unconvinced
  unconsidered
  unconstrained
  unconsecrated
  unsynchronized
  unconcentrated
  unsynchronised
  unconfined
  unconverted
  unconquered
  unconfirmed
  uncontrived
  unconnected
  uncondensed
  unsanctioned
  uncontrolled
  uncounted
  unsounded
  unjointed
  unconstricted
  unconfused
  unconsumed
  unconfessed
  unconditioned
  uncontested
  uncommonness
  uncommon
  uncombined
  unsynchronous