v.tr. 1 need; depend on for success or fulfilment (the work requires much patience). 2 lay down as an imperative (did all that was required by law). 3 command; instruct (a person etc.). 4 order; insist on (an action or measure). 5 (often foll. by of, from, or that + clause) demand (of or from a person) as a right. 6 wish to have (is there anything else you require?). requirer n. requirement n.
[ ME f. OF requere ult. f. L requirere (as RE-, quaerere seek) ]