necessary


necessary
I UK [ˈnesəs(ə)rɪ] / US [ˈnesəˌserɪ] adjective ***
1) essential or needed in order to do something, provide something, or make something happen

I don't want to be disturbed unless it's absolutely necessary.

necessary for:

basic foods regarded as necessary for health

necessary for:

What type of clothing is necessary for survival at these altitudes?

it is necessary for someone to do something:

It was necessary for all students to register a week in advance.

if necessary:

I can take your place at the meeting tomorrow if necessary.

as necessary:

We'll be adding more workers as necessary (= as they are needed).

2) certain to happen or exist

The necessary risks of medicines must be weighed against their benefits.


II UK [ˈnesəs(ə)rɪ] / US [ˈnesəˌserɪ] noun [countable, usually plural]
Word forms "necessary":
singular necessary plural necessaries
something that is essential

I've packed all the necessaries for our outing tomorrow.


English dictionary. 2014.

Synonyms:

Look at other dictionaries:

  • 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