From French brillant, from Medieval Latin as if *berilare (“to sparkle like a beryl or other precious stone”), from Latin berillus, beryllus (“a beryl, gem, eyeglass”), from Ancient Greek βήρυλλος (bērullos, “beryl”).
- Shining brightly.
- the brilliant lights along the promenade
- (of a colour) Both bright and saturated.
- butterflies with brilliant blue wings
- (of a voice or sound) having a sharp, clear tone
- Of surpassing excellence.
- The actor's performance in the play was simply brilliant.
- Magnificent or wonderful.
- Highly intelligent.
- She is a brilliant scientist.
- (shining brightly): glittering, shining
- (of a colour: both light and saturated):
- (of a voice or sound: having a sharp, clear tone):
- (surpassing excellence): excellent, distinctive, striking, superb (obsolete except in UK usage)
- (magnificent or wonderful): exceptional, glorious, magnificent, marvellous/marvelous, splendid, wonderful (obsolete except in UK usage)
- (highly intelligent): brainy, ingenious
- See also Wikisaurus:intelligent
Related terms 
- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.
brilliant (plural brilliants)
- A finely cut gemstone, especially a diamond, having many facets.
- Alexander Pope
- This snuffbox — on the hinge see brilliants shine.
- 1891, Arthur Conan Doyle, A Case of Identity
- “And the ring?” I asked, glancing at a remarkable brilliant which sparkled upon his finger.
- Alexander Pope
- (printing) A small size of type.
- A kind of cotton goods, figured on the weaving.
- brilliant in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
- brilliant in The Century Dictionary, The Century Co., New York, 1911
- brilliant at OneLook Dictionary Search
Crimean Tatar 
- Useinov & Mireev Dictionary, Simferopol, Dolya, 2002