| 1. |
(satellite adjective) required or ordered to; "felt called upon to do his duty" |
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Synonyms: called upon |
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| 2. |
(satellite adjective) required by rule; "in most schools physical education are compulsory"; "attendance is mandatory"; "required reading" |
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Synonyms: compulsory, mandatory |
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| 3. |
(satellite adjective) necessary for relief or supply; "provided them with all things needful" |
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Synonyms: needed, needful, requisite |
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