crucial
6 synonyms and 0 antonyms for crucial, grouped by meaning and by how common each one is.
Adj — Extremely important; essential to the outcome of something.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
How to use crucial
The word patterns that sound natural to a native speaker.
Etymology
From French crucial, originally a medical term for the cross-shaped knee ligaments (from Latin crux, "cross"); the modern sense of "decisive" comes from Francis Bacon's use of the idea of a signpost at a fork in the road, where a critical choice must be made.
Full origin of crucial →Frequently asked questions
What does “crucial” mean?
The word “crucial” means extremely important; essential to the outcome of something. In plain terms, so important that it could decide how something turns out.
How do you pronounce “crucial”?
“Crucial” is pronounced KROO-shuhl (/ˈkɹuː.ʃəl/ in IPA).
How do you use “crucial” in a sentence?
Here is “crucial” used in a sentence: “Getting enough sleep is crucial before a big exam.”
What part of speech is “crucial”?
“Crucial” is an adjective.
Where does the word “crucial” come from?
The word “crucial” comes from Latin.
Is “crucial” a common word?
“Crucial” is a fairly common word in modern English, usually learned at around the B2 level.
What is the difference between "crucial" and "important"?
Both words describe things that matter, but "crucial" is stronger than "important." Something crucial is so essential that the outcome depends on it, whereas something merely important is significant but not necessarily decisive.
What is the difference between "crucial" and "critical"?
"Crucial" and "critical" are close synonyms, both meaning extremely important to an outcome. "Critical" often adds a sense of urgency or a turning point, as in a critical moment, while "crucial" emphasises that something is indispensable to success.
When should you use "crucial" instead of "essential"?
Use "crucial" to stress that something is decisive and could determine whether a plan succeeds or fails. "Essential" simply means absolutely necessary or required, without the same emphasis on affecting the final result.