1

essential

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

Definition of essential

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

  2. 2a :  of the utmost importance :  basic, indispensable, necessary an essential requirement for admission to collegeb :  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 a vegetable oil rich in essential fatty acids — see also essential fatty acid — compare nonessential 2

  3. 3 :  idiopathic essential disease essential hypertension

essentially

play \i-ˈsench-lē, -ˈsen-chə-\ adverb

essentialness

play \i-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.

Recent Examples of essential from the web

These example sentences are collected from online sources. Help us improve them by sending feedback.

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

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

Recent Examples of essential from the web

These example sentences are collected from online sources. Help us improve them by sending feedback.

15th Century

First Known Use of essential

15th century



ESSENTIAL Defined for English Language Learners

1

essential

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

Definition of essential for English Language Learners

  • : extremely important and necessary

  • : very basic


2

essential

noun es·sen·tial

Definition of essential for English Language Learners

  • : something that is basic or necessary : something essential


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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