English Reference
noun

brilliance

n.
US /ˈbɹɪɫjəns/ UK /bɹˈɪliːəns/ bril·liance UK spelling brilliances

  1. 01 B2 Upper Intermediate

    great intelligence or amazing skill at doing something.

    exceptional mental ability, intellectual power, or creative talent.

    Simple

    The young scientist was famous for her brilliance in solving difficult math problems.

    In context

    The critics praised the sheer brilliance of the director's vision, noting how she managed to modernize a classic play without losing its original heart.

    Usage

    Uncountable when referring to the abstract quality of intelligence.

    stupiditydullness
  2. 02 B2 Upper Intermediate

    the quality of being very bright and full of light.

    the state or quality of being exceptionally radiant or effulgent.

    Simple

    The brilliance of the morning sun made it hard to see without sunglasses.

    In context

    The diamond was cut to maximize its brilliance, reflecting every beam of light that entered the showroom.

    Usage

    Uncountable in most contexts describing light intensity.

    darknessdimness
  3. 03 C1 Advanced British EnglishLiterary

    the quality of being impressive, beautiful, or grand.

    the quality of being magnificent, resplendent, or impressively grand in appearance or execution.

    Simple

    We were amazed by the brilliance of the royal palace during the festival.

    In context

    The historical drama successfully captured the brilliance of the 18th-century court, from the gold-leaf architecture to the intricate silk costumes.

    Teacher's tip

    In British English, this sense is often used to describe something that is 'brilliant' (excellent), though it remains a formal or literary choice.

    ordinarinesssimplicity

South Africa needed patience against Nigeria until a moment of brilliance from Ronnel Donnelly sent Hildah Magaia through to square the ball for Thembi Kgatlana to score in the 56th.

Al Jazeera· 14 Aug 2026

Before Toño has time to digest the musician’s brilliance, he learns of his sudden death.

The Guardian· 11 Aug 2026

From brilliant + -ance. Compare French brillance.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated