Click any word in a definition or example to find the entry for that word
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.
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
a serious head injury
It’s not a serious problem – we should be able to fix it easily.
An accident like this poses a serious threat to the environment.
The sale of the company will have serious implications for people’s jobs.
I’m sorry, I didn’t realize you were being serious.
The police have made no serious attempt to address these issues.
I’m not convinced they’re serious about the deal.
Do you think Mike’s serious about going to live in New York?
“Are you serious about leaving your job?” “Dead serious.”
Peter seems serious but he actually has a good sense of humor.
Is it getting serious with you and June?
He’s never had a serious relationship with anyone.
My father is a serious runner.
Be serious! How would we pay for a vacation in the Bahamas?
You can’t be serious! You’re actually going to lend him money again?
This is the American English definition of serious. View British English definition of serious.
a derogatory word used for referring to people in the banking and investment industry who are thought of as taking serious risks in order to increase their own earnings …add a word
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