essentialとは

意味・読み方・使い方

語源

From Late Latin essentiālis, from Latin essentia (“being, essence”).

発音

• IPA^(key): /ɪˈsɛn.ʃəl/, [əˈsɛn.tʃəl]
• ハイフネーション: es‧sen‧tial

形容詞

essential (comparative more essential, superlative most essential)

1. Necessary.

   Synonyms: indispensable; see also Thesaurus:requisite

   Antonyms: accidental, accessorial, incidental, unnecessary, unneeded

2. Very important; of high importance.

   Synonyms: crucial; see also Thesaurus:important

   Antonyms: unimportant; see also Thesaurus:insignificant

   • 2013 May 17, George Monbiot, “Money just makes the rich suffer”, in The Guardian Weekly‎^[1], volume 188, number 23, page 19:

     In order to grant the rich these pleasures, the social contract is reconfigured. The welfare state is dismantled. Essential public services are cut so that the rich may pay less tax. […]

3. (biology) necessary for survival but not synthesized by the organism, thus needing to be ingested
4. Being in the basic form; showing its essence.

   Synonyms: see Thesaurus:intrinsic, Thesaurus:bare-bones

   Antonyms: adscititious; see also Thesaurus:extrinsic

   Don’t mind him being grumpy. That’s the essential Fred.

5. Really existing; existent.

   Synonyms: see Thesaurus:existent

   Antonyms: see Thesaurus:inexistent

   • c. 1612, John Webster, The Duchess of Malfi, act III, scene ii:

     Is it true, that thou art but a name, / And no essential thing?

6. (geometry) Such that each complementary region is irreducible, the boundary of each complementary region is incompressible by disks and monogons in the complementary region, and no leaf is a sphere or a torus bounding a solid torus in the manifold.

   (Can we add an example for this sense?)

7. (medicine) Idiopathic.

反意語

• inessential, unessential, non-essential, nonessential

派生語

名詞

essential (複数形 essentials)

1. A necessary ingredient.
2. A fundamental ingredient.

   (Can we add an example for this sense?)

関連する語

• essence

Further reading

• essential on Wikipedia.

アナグラム

• siletanes