Adjective

(en adjective)

Especially fine or pleasing; exceptional.

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*:Selwyn, sitting up rumpled and cross-legged on the floor, after having boloed Drina to everybody's exquisite satisfaction, looked around at the sudden rustle of skirts to catch a glimpse of a vanishing figure—a glimmer of ruddy hair and the white curve of a youthful face, half-buried in a muff.

(lb) Carefully adjusted; precise; accurate; exact.

; far-fetched; abstruse.

Of special beauty or rare excellence.

Exceeding; extreme; keen, in a bad or a good sense.

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Of delicate perception or close and accurate discrimination; not easy to satisfy; exact; fastidious.

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*(Thomas Fuller) (1606-1661)

*:his books of Oriental languages, wherein he was exquisite

Adjective

(en adjective)

Necessary.

Very important; of high importance.

* {{quote-magazine, date=2013-05-17

, author=George Monbiot, authorlink=George Monbiot , title=Money just makes the rich suffer , volume=188, issue=23, page=19 , magazine=(The Guardian Weekly) citation , passage=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. […]}}

Being in the basic form; showing its essence.

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

Really existing; existent.

* Webster (1623)

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

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.

(medicine) Idiopathic.