un·con·cerned 
(ŭn′kən-sûrnd)
(ŭn′kən-sûrnd)adj.
1. Not interested; indifferent: a practical thinker unconcerned with abstract questions.
2. Not anxious or apprehensive; unworried: The foolhardy sailor was unconcerned about the oncoming storm.
un′con·cerned·ly (-sûrnĭd-lē) adv.
un′con·cerned·ness n.
- adventitiousness
- adventive
- adventively
- Advent Sunday
- adventure
- adventurer
- adventuresome
- adventuresomely
- adventuresomeness
- adventuress
- adventurism
- adventurist
- adventuristic
- adventurous
- adventurously
- adventurousness
- adverb
- adverbial
- adverbially
- ad verbum
- adversarial
- adversary
- adversative
- adversatively
- adverse