necessary

necessary
adjective
1)

parental permission is necessary

Syn:
obligatory, requisite, required, compulsory, mandatory, imperative, needed, de rigueur; essential, indispensable, vital
2)

a necessary consequence

Syn:
inevitable, unavoidable, inescapable, inexorable, ineluctable; predetermined, preordained
••
necessary, essential, indispensable, requisite
Food is essential to human life, which means that we must have it to survive. Essential can also apply to something that makes up the essence, or necessary qualities or attributes, of a thing (a good safecracker is essential to our plan). Clothing is indispensable in Northern climates, which means that it cannot be done without if the specified or implied purpose — in this case, survival — is to be achieved. Necessary applies to something without which a condition cannot be fulfilled (cooperation was necessary to gather the harvest), although it generally implies a pressing need rather than absolute indispensability. Requisite refers to that which is required by the circumstances (the requisite skills for a botanist) and generally describes a requirement that is imposed from the outside rather than an inherent need.

Thesaurus of popular words. 2014.

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Synonyms:

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  • necessary — I (inescapable) adjective avoidless, certain, choiceless, compelling, constraining, decided, decreed, designated, destined, expected, fated, fateful, fixed, foreordained, imminent, impending, ineluctable, includible, inevitable, inexorable,… …   Law dictionary

  • Necessary — Nec es*sa*ry, a. [L. necessarius, from necesse unavoidable, necessary; of uncertain origin: cf. F. n[ e]cessaire.] 1. Such as must be; impossible to be otherwise; not to be avoided; inevitable. [1913 Webster] Death, a necessary end, Will come… …   The Collaborative International Dictionary of English

  • necessary — [nes′ə ser΄ē] adj. [ME < L necessarius < necesse, unavoidable, necessary < ne , not + cedere, to give way: see CEDE] 1. that cannot be dispensed with; essential; indispensable [the nutriments necessary to life] 2. resulting from… …   English World dictionary

  • Necessary — may refer to: Something that is a required condition for something else to be the case, see necessary and sufficient condition. A necessary truth, something that cannot fail to be true, see logical possibility. An important task or essential… …   Wikipedia

  • necessary — ► ADJECTIVE 1) required to be done, achieved, or present; needed. 2) that must be; inevitable: a necessary result. ► NOUN 1) (necessaries) the basic requirements of life, such as food and warmth. 2) (the necessary) informal the action, item, or… …   English terms dictionary

  • Necessary — Nec es*sa*ry, n.; pl. {Necessaries}. 1. A thing that is necessary or indispensable to some purpose; something that one can not do without; a requisite; an essential; used chiefly in the plural; as, the necessaries of life. [1913 Webster] 2. A… …   The Collaborative International Dictionary of English

  • necessary — [adj1] essential all important, basic, binding, bottom line*, cardinal, chief, compelling, compulsory, crucial, decisive, de rigueur*, elementary, exigent, expedient, fundamental, imperative, incumbent on, indispensable, mandatory, momentous,… …   New thesaurus

  • necessary — necessary/contingent truths …   Philosophy dictionary

  • necessary — 1 *needful, requisite, indispensable, essential Analogous words: compelling or compulsory, obliging or obligatory, constraining (see corresponding verbs at FORCE): important, significant, momentous (see corresponding nouns at IMPORTANCE):… …   New Dictionary of Synonyms

  • necessary — ne|ces|sa|ry1 W1S1 [ˈnesısəri US seri] adj [Date: 1300 1400; : Latin; Origin: necessarius, from necesse necessary , from ne not + cedere to give up ] 1.) something that is necessary is what you need to have or need to do →↑essential ▪ The booklet …   Dictionary of contemporary English

  • necessary — 1 adjective 1 something that is necessary is what you need to have or need to do; essential: I ll leave it to you to make all the necessary arrangements. (+ for): Food is necessary for life. | it is necessary (for sb) to do sth: It s not… …   Longman dictionary of contemporary English

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