Did you know?

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

stun - 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.

Thesaurus diagram

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.

verb [transitive]     stun pronunciation in American English
Word Forms
present tense
present participlestunning
past tensestunned
past participlestunned
  1. 1
    to shock and surprise someone so much that they cannot react immediately

    I was stunned to find that he’d left without us.

    stun at/by:

    All of them were stunned by the news.

  2. 2
    to hit someone so hard on the head that they cannot defend themselves or they become unconscious for a short while

    A mugger stunned him with a brick and stole his wallet.

  3. From our crowdsourced Open Dictionary
    used without an object to say that someone or something is very impressive, beautiful, etc

    Kate Middleton stuns in gorgeous pink dress for visit to Blessed Sacrament school.

    Submitted from United Kingdom on 01/07/2014


a lifestyle focussing on simple pleasures such as comfort and cosiness in the home, and spending time with friends and family

BuzzWord Article

Open Dictionary


a form of location that involves the underwater detonation of a bomb which causes sound waves that are picked up by ships

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