Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: unconcern  ,ún-kun'surn
  1. The trait of remaining calm and seeming not to care; a casual lack of concern
    - nonchalance, indifference
  2. A feeling of lack of concern

Derived forms: unconcerns

Type of: carefreeness, feeling

Antonym: concern