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
- unnecessary
- optional
- nonessential
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.
Necessary appears in
Necessary in other languages
- Arabicالعربية
ضروري
شيء يجب القيام به أو هو مهم جداً.
- Bengaliবাংলা
প্রয়োজনীয়
যা করতেই হবে বা খুব গুরুত্বপূর্ণ।
- GermanDeutsch
Notwendig
Etwas, das getan werden muss oder sehr wichtig ist.
- SpanishEspañol
Necesario
Algo que debe hacerse o es muy importante.
- Persianفارسی
ضروری، لازم
چیزی که باید انجام شود یا خیلی مهم است.
- FrenchFrançais
Nécessaire
Quelque chose qui doit être fait ou qui est très important.
- Hindiहिन्दी
आवश्यक
कोई ऐसी चीज़ जो करनी ही पड़े या बहुत महत्वपूर्ण हो।
- ItalianItaliano
Necessario
Qualcosa che deve essere fatto o è molto importante.
- PortuguesePortuguês
Necessário
Algo que tem que ser feito ou é muito importante.
- RussianРусский
Необходимый
Что-то, что должно быть сделано или очень важно.
- Urduاردو
ضروری
ایسی چیز جو کرنی ہی پڑے یا بہت اہم ہو۔
- Chinese中文
必要的
必须做的事情或非常重要的事情。
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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.











