Necessary: meaning, definitions and examples

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necessary

 

[ ˈnɛsɪˌsɛri ]

Adjective / Noun
Oxford 3000 Adjectives
Context #1 | Adjective

in a situation where something must happen or be done

required to be done; essential. In a situation where something must happen or be done. The government has taken the necessary steps to ensure public safety.

Synonyms

crucial, essential, mandatory, required, vital.

Which Synonym Should You Choose?

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Word Description / Examples
necessary

Used for something that is needed for a specific situation or task, but not always of utmost importance.

  • It's necessary to bring your ID to the meeting
  • Drinking water is necessary for staying healthy
essential

Used for something that is absolutely necessary and fundamental, often for survival or basic functioning.

  • Oxygen is essential for human life
  • Strong communication skills are essential in this job
required

Used to describe something that is necessary according to specific standards or expectations.

  • A visa is required for travel to that country
  • You are required to submit the report by tomorrow
vital

Used for something that is extremely important or essential for the continued existence or success of something.

  • It's vital to follow safety procedures in a laboratory
  • Proper nutrition is vital for children's development
crucial

Used when something is extremely important and can determine the outcome of a situation.

  • Timely responses are crucial in a medical emergency
  • This decision is crucial for the success of our project
mandatory

Used for something that is required by law or rules, implying no flexibility.

  • Wearing helmets is mandatory when riding a bike here
  • Attending this meeting is mandatory for all team members

Examples of usage

  • The necessary paperwork must be completed before starting the project.
  • It is necessary to wear a helmet when riding a bike.
  • Regular exercise is necessary for a healthy lifestyle.
Context #2 | Noun

something that is needed or required

something that is required or indispensable. An essential or indispensable thing. Water is a basic necessity of life.

Synonyms

essential, must-have, need, requirement, requisite.

Which Synonym Should You Choose?

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Word Description / Examples
necessary

Used to express something that is needed or required in order to achieve a specific result or condition.

  • It is necessary to wear a jacket in cold weather
  • Regular exercise is necessary for a healthy life
essential

Emphasizes something that is absolutely needed and very important, often critical.

  • Water is essential for human survival
  • Good communication skills are essential for a successful career
requirement

Used in more formal or official contexts to denote something that is mandatory or a prerequisite.

  • A degree is a requirement for this job
  • Safety training is a requirement for all employees
need

General term that expresses a requirement or necessity for something; can refer to both tangible and intangible things.

  • People need food and water to live
  • I need some advice on this matter
requisite

Often used in formal contexts to denote something necessary for a particular purpose or outcome.

  • A passport is a requisite for international travel
  • Basic math skills are requisite for the course
must-have

Often used in informal contexts to denote something that is very popular and highly desired, often referring to items or experiences.

  • The smartphone is a must-have for anyone who wants to stay connected
  • This book is a must-have for every aspiring writer

Examples of usage

  • Food, shelter, and clothing are basic necessities.
  • Access to clean water is a necessity for all living beings.
  • Learning to read and write is a necessity in today's society.

Translations

Translations of the word "necessary" in other languages:

🇵🇹 necessário

🇮🇳 आवश्यक

🇩🇪 notwendig

🇮🇩 diperlukan

🇺🇦 необхідний

🇵🇱 konieczny

🇯🇵 必要な (hitsuyōna)

🇫🇷 nécessaire

🇪🇸 necesario

🇹🇷 gerekli

🇰🇷 필요한 (piryohan)

🇸🇦 ضروري (dharuri)

🇨🇿 nezbytný

🇸🇰 nevyhnutný

🇨🇳 必要的 (bìyào de)

🇸🇮 nujen

🇮🇸 nauðsynlegur

🇰🇿 қажетті

🇬🇪 აუცილებელი (aucilebeli)

🇦🇿 lazım

🇲🇽 necesario

Etymology

The word 'necessary' originated from the Latin word 'necessarius,' which means unavoidable, indispensable, or necessary. It has been used in the English language since the 14th century. The concept of necessity has been a fundamental aspect of human life throughout history, influencing decision-making, behavior, and societal structures. The importance of recognizing and fulfilling necessities has been a driving force behind progress and development in various fields.

Word Frequency Rank

Ranking #187, this word is extremely common in English. It's a crucial part of basic vocabulary that's used constantly in both spoken and written communication, making it essential for even basic conversations.