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
Which colour do you want – red, green, yellow, or blue?
He's probably at lunch or in a meeting.
'When will you get the results?' 'Either tomorrow or the day after.'
You don't care whether he lives or dies, do you?
The jury must decide whether the prisoner is guilty or not.
The soldiers told everyone to leave or they would be shot.
We must deal with the problem now, or else it will be too late.
You'd better do what I say, or else (=I will do something bad to you).
He obviously doesn't have a plan, or he would have said something.
It must be something serious, or else they wouldn't have radioed for help.
This is the British English definition of or. View American English definition of or.
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