Did you know?

Click any word in a definition or example to find the entry for that word

crucial

 - definitions and thesaurus
 
 
 
Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

more
adjective crucial pronunciation in British English /ˈkruːʃ(ə)l/
  1. 1
    something that is crucial is extremely important because it has a major effect on the result of something

    We believe the question being investigated by the Commission is one of crucial importance to the country.

    Anderson played a crucial role in the team's 3–2 victory on Saturday.

    a crucial factor/element/part:

    Experience is, of course, a crucial factor in deciding who would be the best person for the job.

    crucial for:

    The money is crucial for the research.

    crucial to:

    Resolving this issue is crucial to making peace work.

    it is crucial (that):

    It is crucial that all students develop these basic skills.

    Synonyms and related words for this sense of crucial
  2. 2
    British very informal extremely good

derived word

crucially

adverb

This is crucially important.

Synonyms and related words for this sense of crucial

likebait

web content which is specifically intended to make Facebook users click the 'Like' button associated with it

BuzzWord Article

Open Dictionary

Grexit

the possibility of Greece leaving the Eurozone …

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog