D defs.my
Entry 4 senses · 2 variants Webster, 1913

Mandatory

/măn'-dət-ôrˌ-ē/ · Man·da·to·ry · IPA /ˈmæn.dəˌt(ɔ)ɹi/
01 a. Containing a command; preceptive; directory.
  1. 1.
    Containing a command; preceptive; directory.
  2. 2.
    Obligatory; compulsory; required by authority.
  3. 3.
    Not optional; not able to be modified or disregarded; as, seven mandatory clauses in the contract.(Law)
02 n. Same as Mandatary.
  1. 1.
    Same as Mandatary. See: Mandatary