ɪnˈsɛn.sɪ.bl̩ ʌnˈtʌt͡ʃt undergoing no change when acted upon entirely unaffected by each other's writings fibers remained apparently unaffected by the treatment free of artificiality; sincere and genuine an unaffected grace emotionally unmoved always appeared completely unmoved and imperturbable unaware of or indifferent to insensible to the suffering around him