VITAL! Synonyms: 335 Similar and Opposite Words

Q: How is the word 'vital' different from other adjectives like it?

Some common synonyms of vital are cardinal , essential , and fundamental . While all these words mean "so important as to be indispensable," vital suggests something that is necessary to a thing's continued existence or operation. // cut off from vital supplies

Q: When might 'cardinal' be a better fit than 'vital'?

In some situations, the words cardinal and vital are roughly equivalent. However, cardinal suggests something on which an outcome turns or depends. // a cardinal rule in buying a home

Q: When can 'essential' be used instead of 'vital'?

While the synonyms essential and vital are close in meaning, essential implies belonging to the very nature of a thing and therefore being incapable of removal without destroying the thing itself or its character. // conflict is essential in drama

Q: Where would 'fundamental' be a reasonable alternative to 'vital'?

While in some cases nearly identical to vital , fundamental applies to something that is a foundation without which an entire system or complex whole would collapse. // fundamental principles of algebra

vital

adjective

ˈvī-tᵊl

Definition of vital next

as in energetic

having active strength of body or mind a man who remained vital well into his 90s

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in active

having much high-spirited energy and movement the child is vital and active again after being sick

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Antonyms & Near Antonyms

as in essential

impossible to do without I forgot one vital ingredient, and now the biscuits taste strange

Synonyms & Similar Words

Antonyms & Near Antonyms

as in lethal

likely to cause or capable of causing death received a vital wound in the abdomen

Synonyms & Similar Words

Antonyms & Near Antonyms

as in crucial

of the greatest possible importance a matter that is vital to our national security

Synonyms & Similar Words

Antonyms & Near Antonyms

as in refreshing

having a renewing effect on the state of the body or mind after the long, dreary winter, we welcomed the vital rays of the summer sun

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Antonyms & Near Antonyms

Synonym Chooser

How is the word vital different from other adjectives like it?

Some common synonyms of vital are cardinal, essential, and fundamental. While all these words mean "so important as to be indispensable," vital suggests something that is necessary to a thing's continued existence or operation.

cut off from vital supplies

When might cardinal be a better fit than vital?

In some situations, the words cardinal and vital are roughly equivalent. However, cardinal suggests something on which an outcome turns or depends.

a cardinal rule in buying a home

When can essential be used instead of vital?

While the synonyms essential and vital are close in meaning, essential implies belonging to the very nature of a thing and therefore being incapable of removal without destroying the thing itself or its character.

conflict is essential in drama

Where would fundamental be a reasonable alternative to vital?

While in some cases nearly identical to vital, fundamental applies to something that is a foundation without which an entire system or complex whole would collapse.

fundamental principles of algebra

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of vital Iran in return has enforced a de facto blockade of the Strait of Hormuz, charging non-allied boats to pass through the vital waterway. —

CBS News, 8 May 2026 But here, McCann is saying his Navy background keeps him from doing an important part of that job — weighing in on an aspect of immigration enforcement, a vital concern in the region and across the country. —

Michael Smolens, San Diego Union-Tribune, 8 May 2026 All babies are born deficient in vitamin K, which is vital to blood clotting, and cannot form what are called clotting factors, or substances in the body that help stop bleeding naturally. —

Mary Walrath-Holdridge, USA Today, 8 May 2026 The three days off between Game 2 and Game 3 means some vital extra time for the second line anchor to recover. —

Jess Myers, Twin Cities, 8 May 2026 See All Example Sentences for vital

Recent Examples of Synonyms for vital

Adjective

Hsu’s character Kristen is an energetic surfer, who finds joy and freedom in the ocean.

— Melanie Goodfellow, Deadline, 11 May 2026
The central region of Messier 77 is dominated by an extremely compact and energetic source that outshines the rest of the galaxy combined, even challenging the sensitivity of the James Webb Space Telescope itself.

— Bojan Stojkovski, Interesting Engineering, 10 May 2026

Definition of energetic

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visuals

vital

vitality

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Style

“Vital.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vital. Accessed 14 May. 2026.

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Synonyms of vital

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