superbrain means an exceptionally intelligent person; a genius. Lexicurio rates it Sui generis — a strength score of 89 out of 100.
Etymology
From super- + brain.
noun
- An exceptionally intelligent person; a genius.“It does not take a superbrain to enumerate specifically the duties expected of a new man […]”
- An exceptionally powerful brain or artificial intelligence.“This first superbrain died after four years, suffering understandably from mental derangement brought on by its brain weight […]”