Adjective

(en adjective) (wikipedia immanent)

Naturally part of something; existing throughout and within something; inherent; integral; intrinsic; indwelling.

Restricted entirely to the mind or a given domain; internal; subjective.

(philosophy, metaphysics, theology, of a deity) existing within and throughout the mind and the world; dwelling within and throughout all things, all time, etc. Compare (transcendent).

(philosophy, of a mental act) Taking place entirely within the mind of the subject and having no effect outside of it. Compare (emanant), (transeunt).

Being within the limits of experience or knowledge.

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.