Did you know?

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

bright - 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.

adjective     bright pronunciation in British English
Word Forms
  1. 1
    [usually before noun] bright colours are strong but not dark

    She was wearing a bright red scarf.

    His eyes are bright blue.

    They have used warm bright colours all through the house.

  2. 2
    full of strong shining light

    It was a bright sunny day.

    I could see a bright light in the sky.

    It’s nice and bright in here (=there is a lot of light).

    bright sunshine/sunlight:

    We stood blinking in the bright sunshine.

  3. 3
    a bright person is intelligent and usually young and likely to do well at school or in their careers

    She was married to a bright young lawyer.

    one of the brightest students in the class

    She’s bright enough to know that this is a very good offer.

  4. 4
    happy and lively

    She gave him a bright smile.

    His eyes were bright and hopeful.

  5. 5
    likely to be successful

    I’m sure there is a very bright future for you in this company.

    The team’s prospects don’t look very bright.

derived words


     brightly pronunciation in British English


     brightness pronunciation in British English
noun [uncountable]
  • Facebook
  • Twitter

deep learning

a form of machine learning which incorporates the use of neural networks

BuzzWord Article

Word of the Day


meat from a young cow

Open Dictionary

snap election

a general election … that is called earlier than expected

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