Definition of mandatory
(Entry 1 of 2)
1
: required by a law or rule : obligatory
the mandatory retirement age
2
: of, by, relating to, or holding a League of Nations mandate
mandatory
noun
plural mandatories
Definition of mandatory (Entry 2 of 2)
: one given a mandate
especially
: a nation holding a mandate from the League of Nations
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Merriam-Webster unabridged
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Time Traveler for mandatory
The first known use of mandatory was in the 15th century
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