Did you know?

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

therefore - definition and synonyms


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.



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.

adverb therefore pronunciation in British English /ˈðeə(r)fɔː(r)/
Therefore is used as a way of showing how a sentence or clause is related to what has already been said.
  1. as a result of the reason that has just been mentioned

    The new boots are lighter and softer, and therefore more comfortable to wear.

    I no longer have the support of the committee. I have therefore decided to resign.

    This is a binding contract. Therefore, we recommend that you review it with a lawyer.


sea lion

in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them

BuzzWord Article

Open Dictionary


an electric skateboard

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
Macmillan learn live love play