the outer side or surface of something

an outer manifestation; an appearance

the part surrounding or beyond the boundaries of something

of, or being on, or near, or towards the outside

an outside lavatory

an outside telephone line

driving in the outside lane

maximum

outside odds

barely possible; remote

an outside chance

on or to the outside

Wait outside in the passage

outdoors

chiefly Brit, informal not in prison

on or to the outside of (e.g. a place)

We live a mile outside Cambridge

beyond the limits of (something)

outside my experience

except or besides (something or somebody)

She has few interests outside her children