plastic

formbar, plastisk, plast-, plast

1. Capable of being moulded; malleable, flexible, pliant. [from 17th c.]

2. Made of plastic. [from 20th c.]

3. A synthetic, solid, hydrocarbon-based polymer, whether thermoplastic or thermosetting.

4. (figurative, slang) Insincerity; fakeness; a person who is fake or arrogant, or believes that they are better than the rest of the population; a narcissistic, affected person.