English Reference
noun · adjective

plastic

n. · adj.
US /ˈpɫæstɪk/ UK /plˈɑːstɪk/ plas·tic

  1. 01 A2 Elementary

    n.a strong, light material made by people that can be shaped into many things.

    n.a synthetic or semi-synthetic organic polymer that can be moulded into solid objects.

    Simple

    We are trying to use less plastic to help the environment.

    In context

    The durability of modern plastic makes it an ideal material for medical equipment, though its environmental persistence remains a significant global concern.

  2. 02 B1 Intermediate Informal

    n.cards used to pay for things instead of using cash.

    n.credit, debit, or other payment cards viewed collectively as a medium of exchange.

    Simple

    I don't have any cash on me, so I'll have to pay with plastic.

    In context

    The vendor preferred cash for small transactions, though he was equipped to accept plastic for any purchase over twenty pounds.

  3. 03 A2 Elementary

    adj.made from the material plastic.

    adj.composed of or containing any of various synthetic or semi-synthetic amorphous solids.

    Simple

    The children played with a set of plastic animals in the garden.

    In context

    The interior of the vehicle was finished with high-grade plastic components designed to withstand extreme temperature fluctuations without warping.

  4. 04 B2 Upper Intermediate Informal

    adj.not real or honest; describing someone who acts in a fake way.

    adj.artificial or superficial in appearance or behaviour; lacking in authenticity.

    Simple

    He gave her a plastic smile that didn't reach his eyes.

    In context

    The politician's plastic persona failed to resonate with voters who were looking for a more authentic and relatable candidate.

    fakeartificialinsincere
  5. 05 C1 Advanced Technical Science

    adj.easy to shape or change.

    adj.capable of being moulded or receiving form; exhibiting adaptability to environmental changes.

    Simple

    The clay is very plastic and easy for the students to work with.

    In context

    The brain is remarkably plastic during early childhood, allowing for rapid neural reorganisation in response to new sensory experiences.

Usage plastic pollution


From Latin plasticus (“of molding”), from Ancient Greek πλαστικός (plastikós), from πλάσσω (plássō, “to mold, form”). Doublet of plastique.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Ancient Greek πλαστικός
Level A2 · Elementary
Frequency Common
Updated