n.
task
mission
1) to give smb. an assignment
2) to carry out an assignment (the ambassador carried out her assignment brilliantly)
3) a dangerous; difficult, rough, tough; easy assignment
4) an overseas; rush; special assignment
5) an assignment to + inf. (an assignment to guard the president)
6) on assignment ('on a mission') (the correspondent was on assignment in the Far East)
homework
(esp. AE)
7) to give, hand out an assignment
8) to do; hand in an assignment (the pupils did their assignment)
9) a difficult; easy assignment
appointment
(esp. AE)
10) an assignment to (an assignment to a new job)