What is the meaning of Brilliant?

Shining brightly.

Both bright and saturated.

Having a sharp, clear tone.

Of surpassing excellence; magnificent.

Highly intelligent.

A finely cut gemstone, especially a diamond, cut in a particular form with numerous facets so as to maximize light return through the top (called "table") of the stone.

The size of type between excelsior and diamond, standardized as 4-point.

Most hummingbird species of the genus Heliodoxa.

A kind of cotton goods, figured on the weaving.

To cut (a diamond) with many facets, to make it into a brilliant.

brilliant.

Source: wiktionary.org