A2adjective1K

UK/["/ˈnesəsəri/"]/US/["/ˈnesəseri/"]/

Meaning of Necessary

In simple words: Something that must be done or is very important.

Necessary in a sentence

  • It is necessary to drink water to stay hydrated.
  • In some cases, it is necessary to use a seatbelt in the car.
  • Is it really necessary to wake up so early?
  • The necessary materials for the project were delivered yesterday.
  • Only bring what is necessary for the trip.

How to use Necessary

Used in both spoken and written language. Appropriate in academic and everyday contexts, but not overly casual. Avoid using it in informal conversations where simpler words like 'needed' might fit better.

Grammar pattern

necessary + to + verb / necessary + noun

Memory hint

Think of 'necessary' as 'need-sary' — you need it, so it’s necessary.

Related words

Collocations with Necessary

Synonyms for Necessary

Opposites of Necessary

Common mistakes with Necessary

  • Confused with 'necessity' — 'necessary' describes something needed, whereas 'necessity' is a noun.
  • Using 'necessary' with an incorrect verb form — remember it usually pairs with 'to' before a verb.
  • Omitting 'to' before the verb when using it in a phrase.

Compare Necessary with Essential, Inevitable

Necessary appears in

Necessary in other languages

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Frequently asked questions about Necessary

What does Necessary mean?

Something that must be done or is very important.

What is the definition of Necessary?

that is needed for a purpose or a reason

How do you use Necessary in a sentence?

It is necessary to drink water to stay hydrated.

Can you give another example of Necessary?

In some cases, it is necessary to use a seatbelt in the car.

What are synonyms for Necessary?

Common alternatives include essential, inevitable.

What is the opposite of Necessary?

Opposite meanings include unnecessary, optional, nonessential.

What words go with Necessary?

It commonly pairs with appear, be, prove, really, strictly, absolutely, for, if necessary, as necessary, when necessary.

What are common mistakes when using Necessary?

Confused with 'necessity' — 'necessary' describes something needed, whereas 'necessity' is a noun. Using 'necessary' with an incorrect verb form — remember it usually pairs with 'to' before a verb. Omitting 'to' before the verb when using it in a phrase.

How do you pronounce Necessary?

US: /["/ˈnesəseri/"]/, UK: /["/ˈnesəsəri/"]/. Listen to the audio above to hear native pronunciation.

When should I use Necessary?

Used in both spoken and written language. Appropriate in academic and everyday contexts, but not overly casual. Avoid using it in informal conversations where simpler words like 'needed' might fit better.

What CEFR level is Necessary?

"Necessary" is at A2 level on the CEFR scale.