unaffected

adjective

1. 1

   undergoing no change when acted upon

   entirely unaffected by each other's writings

   fibers remained apparently unaffected by the treatment

2. 2

   free of artificiality; sincere and genuine

   an unaffected grace

3. 3

   emotionally unmoved

   always appeared completely unmoved and imperturbable

4. 4

   unaware of or indifferent to

   insensible to the suffering around him