Definition of "mandatory" in English

adjective

1. obligatory; required or commanded by authority.

   • Attendance at a school is usually mandatory for children.

2. Of, being or relating to a mandate.

   • Mandatory Palestine

noun

1. (disc golf) A sign or line that require the path of the disc to be above, below or to one side of it.

2. (dated, rare) A person, organisation or state who receives a mandate; a mandatary.