1
essential
/ɪˈsɛnʃəl/
adjective
Britannica Dictionary definition of ESSENTIAL
[more essential; most essential]
1
:
extremely important and necessary
-
As a fighter pilot, he knows that good vision is essential.
-
Reservations are essential [=necessary, needed] if you plan to eat there on a Saturday.
—
often + to or for
—
often followed by to + verb
—
often + that
2
:
very basic
:
fundamental
-
Free speech is an essential right of citizenship.
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The essential problem with this plan is that it will cost too much.
-
There's no essential difference between the two products.
— essentially
/ɪˈsɛnʃəli/
adverb
[more essentially; most essentially]
-
All action movies have essentially [=basically, fundamentally] the same plot.
-
What he says is essentially true.
— essentialness
/ɪˈsɛnʃəlnəs/
noun
[noncount]
2
essential
/ɪˈsɛnʃəl/
noun
plural
essentials
2
essential
/ɪˈsɛnʃəl/
noun
plural
essentials
Britannica Dictionary definition of ESSENTIAL
[count]
:
something that is basic or necessary
:
something essential
—
usually plural
-
the essentials for success
-
He tried to teach them the essentials of physics in just a week.
-
a computer stripped down to its essentials
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We only had enough room to pack the bare essentials. [=the things that are absolutely necessary]