(New American Roget's College Thesaurus)
adj. substantial, material, constitutional, fundamental, elementary, absolute; necessary, needful, requisite, cardinal, indispensable, vital; inherent, intrinsic, basic. See necessity, part, importance. Ant., inessential, unimportant.
(Roget's IV) modif.
1. [Absolutely necessary]
Syn. imperative, required, indispensable, requisite, necessary, vital; see also crucial , necessary 1 .
2. [Rooted in the basis or essence]
Syn. basic, primary, quintessential; see fundamental 1 , inherent .
Syn.- essential , in strict usage, is applicable to that which constitutes the absolute essence or the fundamental nature of a thing and therefore must be present for the thing to exist, function, etc. [ food is essential to life ] ; an indispensable person or thing cannot be done without if the specified or implied purpose is to be achieved [ her diagnostic skills proved indispensable to the clinic ] ; requisite is applied to that which is required by the circumstances or for the purpose and generally suggests a requirement that is imposed externally rather than an inherent need [ the requisite experience for a position ] ; necessary implies a pressing need but does not always connote absolute indispensability
(Roget's 3 Superthesaurus)
necessity, must, fundamental, basic, prerequisite, requirement, rudiment, cornerstone, indispensable element.
ANT.: nonessential, extra
fundamental, important, vital, crucial, basic, prime, cardinal, necessary, elementary, indispensable, requisite.
ANT.: incidental, unessential, peripheral, superfluous
(Roget's Thesaurus II) I adjective 1. Constituting or forming part of the essence of something: basic, constitutional, constitutive, fundamental, integral, vital. See BE, SURFACE. 2. Of or being an irreducible element: basic, elemental, elementary, fundamental, primitive, ultimate, underlying. See SURFACE. 3. Incapable of being dispensed with: indispensable, necessary, needful, required, requisite. See IMPORTANT, NECESSARY. II noun 1. A fundamental irreducible constituent of a whole: basic, element, fundamental, rudiment (often used in plural). Idiom: part and parcel. See PART. 2. Something indispensable: condition, must, necessity, need, precondition, prerequisite, requirement, requisite, sine qua non. See NECESSARY.

English dictionary for students. 2013.


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  • essential — Ⅰ. essential UK US /ɪˈsenʃəl/ adjective ► very important or necessary: »Computer literacy is becoming as essential as the ability to drive a car. an essential component/part of sth »Selective expansion of our store base is an essential component… …   Financial and business terms

  • Essential — Es*sen tial ([e^]s*s[e^]n sjal), a. [Cf. F. essentiel. See {Essence}.] 1. Belonging to the essence, or that which makes an object, or class of objects, what it is. [1913 Webster] Majestic as the voice sometimes became, there was forever in it an… …   The Collaborative International Dictionary of English

  • essential — I (inherent) adjective basal, basic, basilar, basilary, elemental, fundamental, immanent, implicit, integral, intrinsic, intrinsical, main, primary II (required) adjective basic, binding, called for, chief, compulsory, critical, crucial, demanded …   Law dictionary

  • essential — adj 1 inherent, intrinsic, constitutional, ingrained Analogous words: *innate, inborn, inbred, congenital: inner, inward: elemental (see ELEMENTARY): *characteristic, individual, peculiar, distinctive Antonyms: accidental Contrasted words:… …   New Dictionary of Synonyms

  • essential — [ə sen′shəl, isen′shəl] adj. [ME essencial < LL essentialis: see ESSENCE] 1. of or constituting the intrinsic, fundamental nature of something; basic; inherent [an essential difference] 2. absolute; complete; perfect 3. absolutely necessary;… …   English World dictionary

  • Essential — Grandes éxitos de Jethro Tull Publicación 24 de marzo de 2003 (UK) 31 de marzo de 2003 (EE. UU.) Género(s) Rock progresivo Duración 43:41 …   Wikipedia Español

  • essential — [adj1] important, vital capital, cardinal, chief, constitutive, crucial, foremost, fundamental, imperative, indispensable, leading, main, necessary, necessitous, needed, needful, prerequisite, principal, required, requisite, righthand, wanted;… …   New thesaurus

  • Essential — Es*sen tial ([e^]s*s[e^]n sjal), n. 1. Existence; being. [Obs.] Milton. [1913 Webster] 2. That which is essential; first or constituent principle; as, the essentials of religion. [1913 Webster] …   The Collaborative International Dictionary of English

  • Essentiāl — (essentiell, lat.), wesentlich, unumgänglich notwendig. Essentialia (Essentialien), wesentliche Dinge, wesentliche Bestandteile; essentialia negotii, in der Rechtssprache die wesentlichen Bestandteile eines Rechtsgeschäfts, die vorhanden sein… …   Meyers Großes Konversations-Lexikon

  • essential — essential, ale, aux [esɑ̃sjal, o] adj. ÉTYM. Mil. XXe; de essence, d après le lat. essentialis, refait pour éviter l ambiguïté d essentiel « de l essence », « très important ». ❖ ♦ Philos. De l essence. ❖ CONTR. Accidentel, existentiel …   Encyclopédie Universelle

  • essential... — essential...,   Schreibvariante für essenzial …   Universal-Lexikon

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