adjective 1. necessary for the success or continued existence of something; extremely important
Most people view the existence of a strong opposition as vital to a healthy democracy.
"Was anything interesting said at the meeting?" "Nothing of vital importance."
"The United States must be prepared to deal with hostile actions against our citizens or our
vital interests," Carter added.
Trust is a vital element/component in any close relationship.
I was going to make a lemon tart until I realised I was missing one of the vital ingredients.
The kidney plays a vital role/part in the removal of waste products from the blood.
It's absolutely vital that you get that form sent off by the twenty-third of this month.
It is vital to get medical supplies to the area as soon as possible.
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