undergoing no change when acted upon; entirely unaffected by each other's writings; fibers remained apparently unaffected by the treatment'

emotionally unmoved; always appeared completely unmoved and imperturbable

[ Syn: unmoved , untouched ]

free of artificiality; sincere and genuine; an unaffected grace'

unaware of or indifferent to; insensible to the suffering around him

[ Syn: insensible ]