Definition of non-mandatory in English:

non-mandatory

adjective

  • Not required by law or mandate; voluntary.

    ‘the company has a non-mandatory pension scheme’
    • ‘The Sox flew to New York last night and will hold a non-mandatory workout at Yankee Stadium today.’
    • ‘The industry trade group favors non-mandatory agreements but marine retailers insist that the current system of relying upon dealer agreements written by manufacturers is one-sided.’
    • ‘Parents have no money with which to pay the non-mandatory, quarterly "contribution" that allows the school to provide their children with the necessary extras.’
    • ‘The department has slashed nonmandatory overtime, much of it resulting from captains giving officers paid days off as a reward for good work.’
    • ‘The findings reported Thursday were the result of non-mandatory tests for schools.’
    • ‘Computer applications are incorporated into the majority of courses, with such applications being included in 79 % of the mandatory courses and 95 % of the non-mandatory courses.’
    • ‘The increase in government-mandated quotas for women on boards- with seven countries passing mandates in the past five years and eight countries setting non-mandatory targets - also prompted the study.’
    • ‘Nineteen of the 30 respondents indicated that their departments offered non-mandatory statistics courses.’