Words similar to necessity

Example sentences for: necessity

How can you use “necessity” in a sentence? Here are some example sentences to help you improve your vocabulary:

Conduction disease preceded the development of dilated cardiomyopathy in the proband's family [ 1 10 ] . This indicates the necessity for careful documentation of a three-generation pedigree in the evaluation of patients with conduction system disease paying particular attention to sudden death, arrhythmia and bradycardia.
In Los Angeles the clubs are perhaps trendier, and certainly more expensive, but the sheer size of L.A. makes a car pretty much a necessity for cruising the nightspots (taxi fares will be very expensive for more than a short trip).
The Postal Service spun the rate hike as a competitive necessity that would allow it to maintain universal service, improve technology, and cover rising costs.
Although this method has been quite successful thus far, its practicality is limited by the necessity for a considerable amount of RNA as raw material for cloning, and cloned products are often dominated by a few highly expressed miRNAs.
And being under the compulsion of no timetable, it does not get panicky under the necessity for such retreat.