The term UNACQUIRED refers to something that has not been obtained or acquired. It can be used to describe a person's traits, skills, or possessions. In this context, the crossword solutions INDIGENOUS and INBORN both refer to qualities that are inherent or native to a person, rather than something that has been acquired. INDIGENOUS is a 10-letter word meaning 'originating or occurring naturally in a particular place; native, ' while INBORN is a 6-letter word meaning 'existing as an innate or natural characteristic.'