An example of a necessity is water for life.
Doctrine of necessity.
- 2013 June 28, Joris Luyendijk, “Our banks are out of control", The Guardian Weekly, volume 189, number 3, page 21:"Š.Seeing the British establishment struggle with the financial sector is like watching an alcoholic [...]. Until 2008 there was denial over what finance had become. [...] But the scandals kept coming, [...]. A broad section of the political class now recognises the need for change but remains unable to see the necessity of a fundamental overhaul.
I bought a new table out of necessity. My old one was ruined.
- As an inevitable consequence; necessarily.
- Necessarily; inevitably.
Idioms and Phrasal Verbs
Origin of necessity
- Middle English necessite from Old French from Latin necessitās from necesse necessary necessary
From American Heritage Dictionary of the English Language, 5th Edition