[in.del.i.ble] adj [ME indelyble, fr. ML indelibilis, alter. of L indelebilis, fr. in- + delere to delete] (15c) 1 a: that cannot be removed, washed away, or erased b: making marks that cannot easily be removed "an ~ pencil"
2. a: lasting "~ memories" b: unforgettable, memorable "an ~ performance" -- in.del.i.bil.i.ty n -- in.del.i.bly adv