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1

essential

play
adjective es·sen·tial \i-ˈsen(t)-shəl\

Simple Definition of essential

  • : extremely important and necessary

  • : very basic

Source: Merriam-Webster's Learner's Dictionary

Full Definition of essential

  1. 1 :  of, relating to, or constituting essence :  inherent

  2. 2 a :  of the utmost importance :  basic, indispensable, necessary <an essential requirement for admission to college> b :  being a substance that is not synthesized by the body in a quantity sufficient for normal health and growth and that must be obtained from the diet <dietary protein provides the body with essential amino acids> — compare nonessential 2

  3. 3 :  idiopathic <essential disease> <essential hypertension>

essentially

play \-ˈsench-lē, -ˈsen-chə-\ adverb

essentialness

play \-ˈsen-chəl-nəs\ noun

Examples of essential in a sentence

  1. As a fighter pilot, he knows that good vision is essential.

  2. Free speech is an essential right of citizenship.

  3. The essential problem with this plan is that it will cost too much.

  4. There's no essential difference between the two products.



14th Century

First Known Use of essential

14th century

Synonym Discussion of essential

essential, fundamental, vital, cardinal mean so important as to be indispensable. essential implies belonging to the very nature of a thing and therefore being incapable of removal without destroying the thing itself or its character <conflict is essential in drama>. fundamental applies to something that is a foundation without which an entire system or complex whole would collapse <fundamental principles of algebra>. vital suggests something that is necessary to a thing's continued existence or operation <cut off from vital supplies>. cardinal suggests something on which an outcome turns or depends <a cardinal rule in buying a home>.

2

essential

noun es·sen·tial

Simple Definition of essential

  • : something that is basic or necessary : something essential

Source: Merriam-Webster's Learner's Dictionary

Full Definition of essential

  1. 1 :  something basic <the essentials of astronomy>

  2. 2 :  something necessary, indispensable, or unavoidable

Examples of essential in a sentence

  1. <the essentials for success include a willingness to work and the right attitude>

  2. <this will be just an introduction to the essentials of computer programming>



15th Century

First Known Use of essential

15th century



ESSENTIAL Defined for Kids

1

essential

play
adjective es·sen·tial \i-ˈsen-shəl\

Definition of essential for Students

  1. 1 :  extremely important or necessary <It is essential that we all meet here.>

  2. 2 :  forming or belonging to the basic part of something <Free speech is an essential right of citizenship.>

essentially

adverb



2

essential

play
noun es·sen·tial

Definition of essential for Students

  1. :  something that is basic or necessary <I packed the bare essentials for the trip.>




Medical Dictionary

essential

play
adjective es·sen·tial \i-ˈsen-chəl\

Medical Definition of essential

  1. 1:  being, relating to, or containing an essence <an essential odor>

  2. 2:  being a substance that is not synthesized by the body in a quantity sufficient for normal health and growth and that must be obtained from the diet <The body converts linoleic acid—an essential fatty acid that makes up 60 percent of corn oil—into arachidonic acid.—Janet Raloff, Science News, 24 June 1989>—see essential amino acid; compare nonessential

  3. 3:  having no obvious or known cause :  idiopathic <essential disease>





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