[ri-kwahyuh r] Show IPA verb, re·quired, re·quir·ing.
verb (used with object)
to have need of; need: He requires medical care.
to call on authoritatively; order or enjoin to do something: to require an agent to account for money spent.
to ask for authoritatively or imperatively; demand.
to impose need or occasion for; make necessary or indispensable: The work required infinite patience.
to call for or exact as obligatory; ordain: The law requires annual income-tax returns. "