indelible (adj) - unable to be removed, erased, or forgotten [in-del-uh-buhl]
BREAKDOWN: IN- (not) + DEL- (destroy) + -IBLE (able to be)
to delete means to remove or erase completely; to obliterate or eliminate
“The stories of childhood leave an indelible impression, and their author always has a niche in the temple of memory from which the image is never cast out to be thrown on the rubbish heap of things that are outgrown and outlived.” —Howard Pyle