Words similar to indispensable

Example sentences for: indispensable

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

Up to now, the black printed type on the page has also looked as indispensable as the adaptable dress of modern thought, but we can't predict thought-fashion for the coming centuries.
In addition, deliberate manipulation of gene activity is also an indispensable tool for clinical applications such as gene therapy.
[Yale President A. Whitney] Griswold persuaded the student editor of the Yale Daily News , William F. Buckley, Jr., to go up to Hartford and testify against the bill; Griswold told him such information would be indispensable for the Yale Archives (though Buckley, an opponent of government regulation, didn't need to be persuaded very hard).
In a dangerously cantilevered sentence of the kind that Steiner does at times resort to, he asserts: "[I]t may well be that the ethnic-demographic elements in the successive waves of American settlement are 'Darwinian negative,' that they embody the brilliant survival of an anti-historical species, where 'anti-historianism' would entail an abdication from those adaptive mechanisms of tragic intellectuality, of ideological 'caring' (Kierkegaard's, Heidegger's word Sorge ) which are indispensable to cultural creation of the first rank."
Foreseeability , unmentioned by the author but indispensable in the application of proximate cause , narrows but does not close the gap.