brilliancy: meaning, definition, pronunciation and examples
lowformal, literary
Quick answer
What does “brilliancy” mean?
the quality of being brilliant.
Audio
Pronunciation
Definition
Meaning and Definition
the quality of being brilliant; intense brightness or vividness of light or color; exceptional intelligence or talent.
The state or quality of shining brightly; intellectual or artistic distinction; a striking display of excellence.
Dialectal Variation
British vs American Usage
Differences
Both varieties recognize the word, but 'brilliance' is overwhelmingly preferred in modern usage. 'Brilliancy' is slightly more likely to appear in older British literary texts than in contemporary American English.
Connotations
Can sound somewhat dated, poetic, or consciously formal. In modern contexts, its use might imply a deliberate stylistic choice to elevate the tone.
Frequency
Considered a low-frequency, formal synonym for 'brilliance'. In corpora, 'brilliance' occurs hundreds of times more frequently.
Grammar
How to Use “brilliancy” in a Sentence
The [adj] brilliancy of [noun]display/show/exhibit brilliancy[verb] with brilliancyVocabulary
Collocations
Usage
Meaning in Context
Business
Rare. Might be used in a formal annual report: 'The financial strategy was executed with technical brilliancy.'
Academic
Used in literary criticism, art history, or intellectual biography: 'The essay analyses the philosophical brilliancy of the argument.'
Everyday
Extremely rare. Most speakers would use 'brilliance'.
Technical
Can appear in gemology to describe the light-reflective quality of a cut stone, though 'brilliance' is standard.
Vocabulary
Synonyms of “brilliancy”
Neutral
Vocabulary
Antonyms of “brilliancy”
Watch out
Common Mistakes When Using “brilliancy”
- Using 'brilliancy' in casual speech where 'brilliance' is expected. Overusing the word to sound sophisticated. Mispronouncing as /brɪlˈlaɪ.ən.si/.
FAQ
Frequently Asked Questions
Essentially, yes. It is a correct but less common and more formal variant. 'Brilliance' is the standard modern term.
In terms of meaning, often yes, but not in terms of style. Using 'brilliancy' in everyday language will sound unnatural or overly formal.
No, their meanings are synonymous. The difference is purely one of register, frequency, and stylistic connotation.
No, it is a valid English word. However, learners should be aware that its use is marked as formal/literary and is much rarer than 'brilliance'.
the quality of being brilliant.
Brilliancy is usually formal, literary in register.
Brilliancy: in British English it is pronounced /ˈbrɪl.jən.si/, and in American English it is pronounced /ˈbrɪl.jən.si/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “a flash of brilliancy”
- “cut with brilliancy”
Learning
Memory Aids
Mnemonic
Think: 'brillian-CY' is the formal 'qualit-Y' of being brilliant.
Conceptual Metaphor
INTELLIGENCE/TALENT IS LIGHT. (e.g., 'a mind of great brilliancy'). QUALITY IS A SHINING OBJECT.
Practice
Quiz
In which context is 'brilliancy' LEAST likely to be used?