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necessity

noun
ni-SES-uh-tee/nɪˈsɛsəti/

Pluralnecessities (some meanings)

7 meanings of necessity

Practice

  1. 1
    noununcountable
    The fact that something must happen or cannot be avoided.

    Like needing air to breathe: there is no choice about it.

    There is no necessity to rush, because we still have plenty of time.

    Sleep is a biological necessity, not a luxury.

    Similarneed, requirement

    Note
  2. 2
    nouncountable
    A thing that someone must have and cannot do without.

    Like a key you must have to open your front door: you cannot manage without it.

    Clean water is a necessity for every household.

    A warm coat is a necessity during the coldest months.

    Similaressential, requirement, must, requisite

    Oppositeluxury

    Note
  3. 3
    nounusually plural
    The basic things a person needs to live, like food and shelter.

    Like the food and water a plant must have to stay alive.

    Parents must give a child every necessity, including food and a safe home.

    The law says basic necessities must be provided to people in care.

    Similaressential, requirement

    Oppositeluxury

    Note
  4. 4
    noununcountable
    The state of being very poor and lacking what you need.

    Like being so hungry that you will eat anything you can find.

    They left their home out of necessity, not by choice.

    In times of necessity, neighbors shared what little food they had.

    Similarneed, poverty, want, hardship, destitution

    Note
  5. 5
    noununcountable
    A force or power that makes something happen and cannot be resisted.

    Like a strong river current that carries a boat wherever it goes.

    The flood left them no choice, and necessity forced them to flee.

    When the bridge collapsed, necessity decided their route for them.

    Similarcompulsion, obligation, constraint

    Oppositechoice

    Note
  6. 6
    noununcountable
    The need to break a law in order to stop something worse from happening.

    Like breaking a window to pull someone out of a burning car.

    The hikers argued that breaking into the cabin was a necessity to survive the blizzard.

    Courts rarely accept necessity as an excuse for ordinary theft.

    Note
  7. 7
    noununcountable
    The idea that everything is caused by what came before, so nothing is truly free.

    Like a row of dominoes falling: each one pushes the next, and none can stop.

    Some thinkers believe in necessity, saying our choices are fixed by causes we cannot control.

    If necessity is true, then free will is only an illusion.

    Similardeterminism

    Note

Practice

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Origin

It comes from Latin "necessitās," meaning necessity, which came from "necesse," meaning unavoidable. English took it through Old French "necessite."