Synonyms & Antonyms of crucial

of the greatest possible importance
  • water is crucial to our survival

Synonyms for crucial

Words Related to crucial

Near Antonyms for crucial

See the Dictionary Definition 

Frequently Asked Questions About crucial

How does the adjective crucial contrast with its synonyms?

The words acute and critical are common synonyms of crucial. While all three words mean "of uncertain outcome," crucial suggests a dividing of the ways and often a test or trial involving the determination of a future course or direction.

a crucial vote

Where would acute be a reasonable alternative to crucial?

While the synonyms acute and crucial are close in meaning, acute stresses intensification of conditions leading to a culmination or breaking point.

an acute housing shortage

How are the words critical and acute related as synonyms of crucial?

Critical adds to acute implications of imminent change, of attendant suspense, and of decisiveness in the outcome.

the war has entered a critical phase

Keep scrolling for more

Learn More about crucial

Time Traveler for crucial

Time Traveler

The first known use of crucial was in 1706

See more words from the same year

Cite this Entry

“Crucial.” Thesaurus, Merriam-Webster, Accessed 24 Oct. 2020.

Keep scrolling for more

More from Merriam-Webster on crucial

Dictionary: Definition of crucial

Nglish: Translation of crucial for Spanish Speakers

Britannica English: Translation of crucial for Arabic Speakers

Comments on crucial

What made you want to look up crucial? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Namesakes Word Quiz

  • a citrus fruit possibly named after a person
  • Which of the following is a fruit named after a Moroccan seaport?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!