Learner's definition of ARTIFICIAL
not natural or real
made, produced, or done to seem like something natural
the world's first artificial heart
This product contains no artificial colors/flavors/sweeteners—only natural substances are used.
not happening or existing naturally
created or caused by people
artificial price inflation
The country's borders are artificial, and were set with no consideration for the various ethnic groups in the region.
[more artificial; most artificial]