Definition of brutes:
(adj) :
Brutal; cruel; fierce; ferocious; savage; pitiless, without intelligence or reason.
(adj) :
Characteristic of unthinking animals; senseless, unreasoning (of humans).
(n) :
A person with the characteristics of an unthinking animal; a coarse or brutal person, particularly one who is dim-witted.
(adj) :
Without reason or intelligence (of animals).
(adj) :
Unconnected with intelligence or thought; purely material, senseless.
(adj) :
Strong, blunt, and spontaneous; being purely physical in nature.