The definition of 'brainiacs' & the word 'brainiacs' in example sentences or phrases

Noun
1
someone who has exceptional intellectual ability and originality
  1. Mozart was a child genius
  2. he's smart but he's no Einstein
2
(informal) an intelligent person

Synonyms of the word 'brainiacs' & Antonyms of the word 'brainiacs'.

Noun
Synonymsgenius, mastermind, brain, brainiac, Einstein, brainboxes,