extra-

Very unusual or remarkable; far beyond what is ordinary

To an exceptional degree; extremely

Spending excessively; exceeding reasonable limits

Outside the regular academic curriculum or job duties

To infer or estimate beyond known data

Originating or existing outside the Solar System

To hand over a suspect to another country's authorities

An outgoing, sociable person; outgoing in character

Outside the scope or control of the law

Outgoing and socially confident