A synthetic material made from various organic polymers that can be molded into shape while soft and then set into a rigid or slightly elastic form.

“The ocean is unfortunately filled with tons of discarded plastic.”

Easily shaped or molded into different forms.

“Wet clay is a very plastic material that artists love to work with.”

Artificial or false; not genuine or sincere.

“He had a plastic smile on his face even though he was clearly upset.”