The meaning of MISSION is a specific task with which a person or a group is charged. How to use mission in a sentence.

A mission is also a group of people who are sent to another place to do a particular job or to represent their country, organization, or religion, or the place where they go to do this work:

To send (someone) on a mission. 2. To organize or establish a religious mission among (a people) or in (an area).

A mission is an important task that people are given to do, especially one that involves traveling to another country. Salisbury sent him on a diplomatic mission to North America.

Mission (1961 film), a Soviet drama film by Yuri Yegorov The Mission (1983 film), an American drama film directed and produced by Parviz Sayyad The Mission (1986 film), a British drama film directed …

There are 18 meanings listed in OED's entry for the noun mission, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Mission definition: An ambition or purpose that is assumed by a person or group.