unconcern
1. [ noun ] the trait of remaining calm and seeming not to care; a casual lack of concern
Synonyms: indifference nonchalance
Related terms: carefreeness
2. [ noun ] a feeling of lack of concern
Related terms: concern feeling indifference heartlessness
Similar spelling:   unconcerned
  unaccented
  unconfined
  unconcealed
  unconvinced
  uncondensed
  unconnected
  uncommon
  uncommonness
  unconstraint
  unconsidered
  unsounded
  unjointed
  uncounted
  unconvincing
  unsown
  unison
  unconfused
  uncommonly
  unconsumed
  unconquered
  uncontested
  uncongenial
  unconfirmed
  uncontrived
  unconfident
  unconfessed
  unconverted
  uneconomic
  unsound
  unconscious