requisite

Essential, indispensable, required.

Adjective

  1. Essential, indispensable, required.
    • Please submit the requisite papers before the end of the financial year.
    • They ſay he is the King of Perſea. But if he dare attempt to ſtir your ſiege, Twere requiſite he ſhould be ten times more, For all fleſh quakes at your magnificence. - c. 1587–1588 (date written), [Christopher Marlowe],...
    • [W]e endeavour to preſent our Gard'ners with a compleat Cycle of what is requiſite to be done throughout every Moneth of the Year: [...] - 1664, J[ohn] E[velyn], “Kalendarium Hortense: Or, The Gard’ners Almanac; […]...

    Antonyms: discretionary elective facultative free noncompulsory nonmandatory nonobligate nonobligatory nonrequired nonrequisite optional optionary unrequired volitional voluntary

Origin

From Latin requīsītus, perfect passive participle of requīrō (“to require, seek, ask for”), from which English require.

Forms

more requisite most requisite

Synonyms

basic essential indispensable necessar necessary needed prerequisite required requisite

Antonyms

dispensable gratuitous inessential needless optional unnecessary unneeded

Hyponyms

integral intrinsic

Related

requisition

Noun

  1. An indispensable item; a requirement.
    • She had a good sort of coarse cleverness, admirably fitted to get on in the world; she possessed those two first requisites, a good constitution and a good temper;... - 1834, L[etitia] E[lizabeth] L[andon], Francesca...
    • But this something, what is it, unless the happiness of others, or some of the requisites of happiness? - 1861, John Stuart Mill, Utilitarianism:
    • The main requisite is to brew a tasty, palateful and wholesome beer […] - 1904, Letters on Brewing, volume 3, page 127:

Forms

requisites

Hyponyms

prerequisite

Derived

antirequisite corequisite nonrequisite postrequisite requisitely requisiteness unrequisite