noun /ˈɹəʊbɒt,ˈɹoʊbɑt,ˈɹoʊbət/
a) An intelligent mechanical being designed to look like a human or other creature, and usually made from metal.
The robots in Dicks novel, loosely adapted by Ridley Scott into the film Blade Runner, were so similar to humans that when they went rogue, trained bounty hunters were called in to perform psychological tests to see whether suspected androids lacked human empathy.
b) A person who does not seem to have any emotions.
Being a robot, Jessica chose to wear a casual pair of shorts to the funeral and didnt even cry.
Wikipedia foundation.