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

(colloquial, metonymically) Credit or debit cards used in place of cash to buy goods and services.

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

(slang, countable) An instance of plastic surgery.

(obsolete) A sculptor, moulder.

(archaic) Any solid but malleable substance.

Capable of being moulded; malleable, flexible, pliant.

(medicine, now rare) Producing tissue.

(dated) Creative, formative.

(biology) Capable of adapting to varying conditions; characterized by environmental adaptability.

Of or pertaining to the inelastic, non-brittle, deformation of a material.

Made of plastic.

Inferior or not the real thing.

(figurative, informal, of a person) fake; insincere.