brilliant
$ \mathrm{brilliant}
/ˈbrɪliənt/
1 extremely clever or impressive
What a brilliant idea!
an absolutely brilliant idea
a brilliant performance/invention
He made two brilliant saves to keep his side in the match.
The system is brilliant in its simplicity.
Collocations
verbs
adverb
preposition
at
2 (British English, informal) very good; excellent
‘How was it?’ ‘Brilliant!’
Thanks. You've been brilliant (= very helpful).
She is very artistic, the cake looks brilliant.
3 very intelligent or showing a lot of skill
He's a brilliant young scientist.
She has one of the most brilliant minds in the country.
4 very successful
a brilliant career
The play was a brilliant success.
5 (of light or colours) very bright
brilliant sunshine
brilliant blue eyes
The sky was a brilliant blue.
Word Origin
late 17th cent.: from French brillant ‘shining’, present participle of briller, from Italian brillare, probably from Latin beryllus from Greek bērullos.