unaffected (
http://definr.com/unaffected)
adj 1: undergoing no change when acted upon; "entirely unaffected
by each other's writings"; "fibers remained apparently
unaffected by the treatment" [ant:
affected]
2: (followed by `to' or `by') unaware of or indifferent to;
"insensible to the suffering around him" [syn:
insensible(p),
unaffected(p)]
3: free of artificiality; sincere and genuine; "an unaffected
grace" [ant:
affected]
4: not touched emotionally; "was left untouched by the music"
[syn:
unaffected(p),
untouched(p)]