Man-made; made by humans; of artifice.
Insincere; fake, forced, or feigned.
Conveying some meaning other than the actual contents of one's hand.
Not natural or normal: imposed arbitrarily or without regard to the specifics or normal circumstances of a person, a situation, etc.
artificial, acting as a substitute for part of the body; relating to prosthesis
An artificial replacement for part of the body; a prosthesis, prosthetic device.
An addition to an actor etc.'s body as part of a costume, intended to transform the person's appearance.