work that you are obliged to perform for moral or legal reasons; "the duties of the job"
the social force that binds you to the courses of action demanded by that force; "we must instill a sense of duty in our children"; "every right implies a responsibility; every opportunity, an obligation; every possession, a duty"- John D.Rockefeller Jr
a government tax on imports or exports; "they signed a treaty to lower duties on trade between their countries"
done swiftly in or as if in the air; used e.g. of a racing start in which runners are already in motion as they cross the starting line; "a flying start"; "crossed the goal line with a flying leap"
hurried and brief; "paid a flying visit"; "took a flying glance at the book"; "a quick inspection"; "a fast visit"
of or relating to passage through the air (especially aviation); "a flying time of three hours between cities"; "unidentified flying objects"
designed for swift movement or action; "a flying police squad is trained for quick action anywhere in the city"
capable of or engaged in flight; "the bat is a flying animal"
activity that refreshes and recreates; activity that renews your health and spirits by enjoyment and relaxation; "time for rest and refreshment by the pool"; "days of joyous recreation with his friends"