duty duty /dˈjuːti/

noun

1. () The social force that binds you to the courses of action demanded by that force  ( duty , obligation , responsibility )
   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
   we must instill a sense of duty in our children
    Every right implies a responsibility; every opportunity, an obligation; every possession, a duty
   every right implies a responsibility; every opportunity, an obligation; every possession, a duty
   
2. () Work that you are obliged to perform for moral or legal reasons  ( duty )
   work that you are obliged to perform for moral or legal reasons
    The duties of the job
   the duties of the job
   
3. () A government tax on imports or exports  ( duty , tariff )
   a government tax on imports or exports
    They signed a treaty to lower duties on trade between their countries
   they signed a treaty to lower duties on trade between their countries