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 entries. Click on the T button in an entry to review the synonyms and related words for that meaning.more
If you don't know the answer, just guess.
How do you know my name?
"Have they arrived yet?" "I don't know."
I knew she wasn't really happy.
I don't know where the money's coming from.
I need to know if she's made a decision yet.
I don't know anything about it.
We know for a fact that the fire was started deliberately.
We know from experience that unemployment makes the problem worse.
The ancient city is known to have existed in the region.
Some drugs are known to cause damage to unborn children.
The pilots were experienced and known to be very competent.
Some of you may know Ivan already.
She had known Nancy for years.
I felt I hardly knew my father.
used informally, in spoken language
used when you have no information and you are unable to guess the answer to a question
used when you do not know something and you feel annoyed that someone is asking you about it
used for saying that you don't know something because it is impossible for anyone to know it
used for saying that you know as little about something as the person who asked you about it
used for saying that something may be true, but you do not have enough information to know whether it is or not
This is the American English definition of know. View British English definition of know.
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