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brilliant

A2
Common

Pronunciation

UK

  • /brˈɪlɪənt/

US

  • /ˈbrɪljənt/

Meanings

Adjective

  1. excellent, impressive, or very successful

  2. exceptionally intelligent, talented, or skillful

  3. shining or full of very strong light

More meanings
  1. vivid and intense in color

Interjection

  1. used to express approval, pleasure, or enthusiasm

Noun

  1. a diamond or other gem cut to maximize sparkle

Beyond the definition

"Brilliant" isn't just about being smart—though it certainly can be! It describes something exceptionally clever or talented. Think of a brilliant scientist making a groundbreaking discovery or a brilliant student acing every test. But "brilliant" also refers to intense brightness. A brilliant sunrise paints the sky with vibrant colors, and a brilliantly polished surface gleams and shines.

You might describe a solution to a difficult problem as "brilliant," meaning it's ingenious and effective. Or you could say someone has a "brilliant mind"—full of bright ideas! It's a word that evokes both intelligence and dazzling light, making it wonderfully versatile. In many English-speaking cultures, especially in the UK, "brilliant" is also used as a common exclamation of approval, much like saying "fantastic" or "wonderful" when hearing good news.

Examples

  1. 1

    Teaching ability

    Mia is a brilliant teacher who makes difficult topics easy to understand.

  2. 2

    Personal skill

    He's brilliant at finding cheap flights.

    • Patternbrilliant at + activity

      very good at that activity

  3. 3

    Good idea

    That was a brilliant idea to move the meeting online.

  4. 4

    Performance

    She gave a brilliant performance in the final concert.

More examples
  1. 5

    Weather

    We had brilliant weather for the whole weekend.

  2. 6

    Color

    The sea looked brilliant blue in the morning light.

  3. 7

    British response

    “I can pick you up at seven.” “Brilliant, see you then.”

    • Usage

      Brilliant can mean “great” or “that sounds good,” especially in British English.

  4. 8

    Sarcasm

    Brilliant, now I've left my keys in the office.

    • Usage

      Here brilliant is sarcastic.

See also

Similar

Shades of meaning

Contrast

Used with (collocations)

  • brilliant mind
  • brilliant idea
  • brilliant solution
  • absolutely brilliant

Word family

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Forms and spellings

2 forms open this card.

Main spelling

  • brilliantnounadjective

Forms

  • brilliantspluralnounadjective