US: /ˈnɛsəˌsɛɹi/
UK: /nˈɛsəsəɹi/

English Vietnamese dictionary

necessary /'nesisəri/
  • tính từ
    • cần, cần thiết, thiết yếu
      • sleep is necessary to health: giấc ngủ cần thiết cho sức khoẻ
    • tất nhiên, tất yếu
      • a necessary consequence: hậu quả tất nhiên
  • danh từ, (thường) số nhiều
    • những thứ cần dùng
      • the necessaries of life: những thứ cần dùng cho đời sống
    • (the necessary) (từ lóng) tiền cần thiết, việc cần thiết
    • (từ Mỹ,nghĩa Mỹ) nhà xí

Advanced English dictionary

+ adjective
1 ~ (for sb/sth) (to do sth) that is needed for a purpose or a reason
It may be necessary to buy a new one. + It doesn't seem necessary for us to meet. + Only use your car when absolutely necessary. + If necessary, you can contact me at home. + I'll make the necessary arrangements. + Changes can easily be made where necessary. + She has the qualities necessary to be a successful teacher.
2 [only before noun] (written) that must exist or happen and cannot be avoided: This is a necessary consequence of progress.
Idioms: a necessary evil a thing that is bad or that you do not like but which you must accept for a particular reason: The loss of jobs is regarded as a necessary evil in the fight against inflation.

Thesaurus dictionary

1 indispensable, essential, required, needed, compulsory, requisite, vital, demanded, imperative, obligatory, needful, of the essence, important, of the utmost importance, top-priority, high-priority, urgent, exigent, compelling, life-and-death or life-or-death:
A good diet is necessary for good health. It is necessary that you come at once. Take the necessary steps to get the job done
2 inevitable, unavoidable, inescapable, ineluctable:
In the circumstances, we find it necessary to ask for your resignation.
3 sure, certain, predetermined, predestined, fated, inexorable; resulting, resultant:
The necessary outcome of the affair was that the child was returned to her natural parents.
4 See necessity, 1, below.
1 requirement, essential, necessary, requisite, need, prerequisite, basic, fundamental, sine qua non, desideratum, constraint:
I was marooned for a year with only the bare necessities of life. We regard honesty as a necessity in a bank manager
2 indispensability, unavoidability, needfulness, inexorability:
The necessity for exercise is often met by private health clubs.
3 poverty, want, indigence, need, destitution, penury, straits, difficulty, difficulties, pauperism, neediness:
The extreme necessity of the unemployed demands that the government act quickly
4 urgency, emergency, crisis, misfortune, exigency, pinch, extreme, matter of life and death:
She has made a virtue of necessity. Electric power is no longer a matter of choice but of necessity.

Collocation dictionary


be, prove, seem | become | remain | make sth
The cold weather has made it necessary to protect the crops.
| consider sth, feel sth, find sth, regard sth as, see sth as, think sth
Make any alterations you consider necessary. You may find it necessary to readjust the wheels from time to time.


really, strictly
I was determined not to stay in hospital for any longer than was strictly necessary.
| absolutely | causally, logically


qualifications which are necessary for work with the under-fives


if necessary
These measures will be enforced, if necessary, by the army.
| as/when/where necessary
We are here to give help and support when necessary.

Concise English dictionary

necessaries'nesɪsərɪ /-srɪ
+anything indispensable
+absolutely essential
+unavoidably determined by prior circumstances