Did you know?

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

launch - 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.

noun [countable] launch pronunciation in American English /lɔntʃ/
Word Forms
  • Facebook
  • Twitter
  1. 1
    the act of sending a missile, space vehicle, satellite, or other object into the air or into space

    the launch of the space shuttle

  2. 2
    the start of a major activity such as a military attack, a public investigation, or a new career or project
    1. a.
      an occasion when a company starts selling a new product or service to the public

      The launch of their new product line will include prime-time TV commercials.

    2. b.
      an event at which a company or organization officially announces that it is starting to do or to sell something

      the launch of yet another program to promote efficiency in government



to fall over forwards so that your face hits the ground or another surface

BuzzWord Article

Open Dictionary


the activity of exploring abandoned buildings and other manmade structures

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