1.Definition: a government tax on imports or exports

Related Noun(s):tariff

Category: General

2.Definition: 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"

Related Noun(s):obligation, responsibility

Category: General

3.Definition: work that you are obliged to perform for moral or legal reasons

Category: General