Adjectives

(a)unaffectedundergoing no change when acted upon“entirely unaffected by each other's writings”, “fibers remained apparently unaffected by the treatment”
(s)insensible, unaffectedunaware of or indifferent to“insensible to the suffering around him”
(a)unmoved, unaffected, untouchedemotionally unmoved“always appeared completely unmoved and imperturbable”
(a)unaffectedfree of artificiality; sincere and genuine“an unaffected grace”