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1.
The plural of genius
Lucy is a genius, Ali is a genius; Lucy and Ali are genii. Can also be used as an adjective, e.g. "Big Brother last night was genii!"
by Sianorama May 25, 2006
18 5
 
2.
Multiple of genie
Genii is many genies
by Taryn November 27, 2003
2 16