Definition of smartest:
(v) :
(intransitive) To hurt or sting.
(v) :
(transitive) To cause a smart or sting in.
(v) :
(intransitive) To feel a pungent pain of mind; to feel sharp pain or grief; to be punished severely; to feel the sting of evil.
(adj) :
Exhibiting social ability or cleverness.
(adj) :
(informal) Exhibiting intellectual knowledge, such as that found in books.
(adj) :
(often in combination) Equipped with intelligent behaviour (digital/computer technology).