vital
Americanadjective
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of or relating to life.
vital processes.
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having remarkable energy, liveliness, or force of personality.
a vital leader.
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being the seat or source of life.
the vital organs.
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necessary to life.
vital fluids.
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necessary to the existence, continuance, or well-being of something; indispensable; essential.
vital for a healthy society.
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affecting the existence, well-being, truth, etc., of something.
a vital error.
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of critical importance.
vital decisions.
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destructive to life; deadly.
a vital wound.
adjective
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essential to maintain life
the lungs perform a vital function
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forceful, energetic, or lively
a vital person
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of, relating to, having, or displaying life
a vital organism
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indispensable or essential
books vital to this study
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of great importance; decisive
a vital game
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archaic influencing the course of life, esp negatively
a vital treachery
noun
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(plural)
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the bodily organs, such as the brain, liver, heart, lungs, etc, that are necessary to maintain life
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the organs of reproduction, esp the male genitals
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(plural) the essential elements of anything
Other Word Forms
- nonvital adjective
- nonvitally adverb
- nonvitalness noun
- quasi-vital adjective
- quasi-vitally adverb
- supervital adjective
- supervitally adverb
- supervitalness noun
- unvital adjective
- unvitally adverb
- unvitalness noun
- vitally adverb
- vitalness noun
Etymology
Origin of vital
First recorded in 1350–1400; Middle English, from Latin vītālis, equivalent to vīt(a) “life” (derivative of vīvere “to live”; akin to Greek bioûn, Sanskrit jīvati “(he) lives,” English quick ( def. ) ) + -ālis -al 1 ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
For many businesses their website is a vital shopfront, so losing 140 million visits in a single year would be a big problem.
From BBC • Apr. 6, 2026
It’s unclear when the vital shipping lane will get back to normal.
From The Wall Street Journal • Apr. 5, 2026
The Strait of Hormuz, vital for global energy trade, has been effectively closed.
From Barron's • Apr. 4, 2026
Keeping that water cold enough for salmon puts limits on how much water federal managers can deliver from Lake Shasta — a vital irrigation supply for Central Valley farmers.
From Los Angeles Times • Apr. 4, 2026
The assistance of CORE, with its national network of activists and long experience with direct-action campaigns, would be vital in transforming the Greensboro sit-in from an isolated “incident” into a true movement.
From "The Best of Enemies" by Osha Gray Davidson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.