Required activity:
— The requirements of his work affected his health.

synonym: demand.

Roget 741: command, order, ordinance, act, fiat, hukm^†, bidding, dictum, hest^†, behest, call, beck, nod.    despatch, dispatch; message, direction, injunction, charge, instructions; appointment, fixture.    demand, exaction, imposition, requisition, claim, reclamation, revendication^†; ultimatum etc. (terms) 770; request etc. 765; requirement.    dictation; dictate, mandate; caveat, decree, senatus consultum [Lat.]; precept; prescript, rescript; writ, ordination, bull, ex cathedra pronouncement [Lat.], edict, decretal^†, dispensation, prescription, brevet, placit^†, ukase, ukaz [Rus.], firman, hatti-sherif^†, warrant, passport, mittimus, mandamus, summons, subpoena, nisi prius [Lat.], interpellation, citation; word, word of command; mot d'ordre [Fr.]; bugle call, trumpet call; beat of drum, tattoo; order of the day; enactment etc. (law) 963; plebiscite etc. (choice) 609.    ... show more

Roget 630: requirement, need, wants, necessities; necessaries, necessaries of life; stress, exigency, pinch, sine qua non, matter of necessity; case of need, case of life or death.    needfulness, essentiality, necessity, indispensability, urgency.    requisition etc. (request) 765, (exaction) 741; run upon; demand, call for.    charge, claim, command, injunction, mandate, order, precept.    desideratum etc. (desire) 865; want etc. (deficiency) 640.    ... show more

Dutch: eis

Anything indispensable:
— Allow farmers to buy their requirements under favorable conditions.

synonyms: essential, necessary, necessity, requisite.

Dutch: vereiste

Something that is required in advance.

synonym: prerequisite.

Dutch: voorwaarde, vereiste, eis, behoeften, benodigdheden