Did you know?

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

rapid - 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.

adjective rapid pronunciation in American English /ˈræpɪd/
  1. happening, moving, or acting quickly

    We are seeing a rapid growth in the use of the Internet.

    the rapid movement of troops into the area

derived words


 rapid pronunciation in American English /rəˈpɪdəti/ noun [uncountable]


 rapid pronunciation in American English adverb
Synonyms and related words

Open Dictionary


another way of saying congratulations, or that something/someone looks nice or fascinating

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