Made or produced by human beings rather than occurring naturally, especially as a copy of something natural. The artificial flowers looked so real that it was hard to tell they weren't fresh.
Not genuine or natural; insincere or affected. Her artificial smile did not convince anyone of her happiness.
(of a bid in contract bridge) Conveying information through an agreed convention rather than directly describing the suit named. South's artificial 2♦ response showed game-forcing values.