essential

Adj

1. Necessary.
2. Very important; of high importance.
3. Necessary for survival but not synthesized by the organism, thus needing to be ingested.
4. Being in the basic form; showing its essence.
5. Really existing; existent.
6. 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.
7. Idiopathic.
8. Having the nature of essence; not physical.

Noun

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

Opposite of

accidental, accessorial, incidental, unnecessary, unneeded, unimportant, important, significant, weighty, noteworthy, consequential, adscititious, intrinsic, existent

Pronounced as (IPA)

/ɪˈsɛn.ʃəl/

Etymology

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

Synonyms

necessary

indispensable

vital

fundamental

basic

important

requisite

necessity

substantial

crucial

intrinsic

required

needed

main

material

principal

primary

inherent

needful

integral

substantive

requirement

real

essence

relevant

chief

idiopathic

core

gist

innate

major

significant

constitutive

substance

quintessential

constitutional

primal

elementary

inevitability

elemental

necessities

all-important

pivotal

inevitable

imperative

momentous

key

🔑

central

main point

must