Natural ability is a term used to describe the innate skills and talents that a person has. A KNACK is a natural ability to do something quickly and easily, while GENIUS is an extraordinary natural ability for a particular activity. TALENT is a natural APTITUDE or skill for a particular activity, while FLAIR is a natural TALENT for doing something with style and grace. APTITUDE is a natural ability to learn or understand something quickly, while GIFT is a natural ability or TALENT that someone has. An ENDOWMENT is a natural ability or TALENT that someone is born with, while INSTINCT is a natural ability to do something without having to think about it.