Definition of Plastic

• generic name for certain synthetic or semisynthetic materials that can be molded or extruded into objects or films or filaments or used for making e.g. coatings and adhesives
• capable of being molded or modeled (especially of earth or clay or other soft material); "plastic substances such as wax or clay"
• capable of being influenced or formed; "the plastic minds of children"; "a pliant nature"