unplastic

The new toy is made from unplastic materials.

Definition

1. Adjective:
   • Not pliable or malleable: "unplastic" describes a material that lacks plasticity, meaning it cannot be easily shaped, molded, or deformed under pressure.
   • Rigid or inflexible: In a figurative sense, it can refer to something that is not adaptable or changeable.

Usage Examples

• (The clay could not be shaped because it lacked plasticity.)
• (His rigid and inflexible mindset prevented agreement.)

Advanced Usage

• In materials science: "unplastic" is often used to contrast with "plastic" materials that undergo permanent deformation.

  • Unlike thermoplastic polymers, this unplastic resin remains brittle at high temperatures. (The resin does not become malleable when heated.)

• In psychology or sociology: "unplastic" can describe a personality or social structure resistant to change.

  • The unplastic traditions of the community resisted modern influences. (The traditions were rigid and unchanging.)

Variants and Related Words

• Plastic (adj): capable of being shaped or molded.

  • The plastic clay was easy to form into a vase. (The clay could be molded.)

• Plasticity (n): the quality of being easily shaped or molded.

  • The plasticity of the metal allowed it to be hammered into thin sheets. (It was malleable.)

• Unplasticized (adj): treated to remove or reduce plasticity.

  • Unplasticized PVC is used for rigid pipes. (PVC that has been made less flexible.)

Synonyms

• Inflexible: not capable of being bent or changed.
• Rigid: stiff and unyielding.
• Stiff: not easily bent or moved.
• Unmalleable: not capable of being shaped by hammering or pressure.

Antonyms

• Plastic: capable of being shaped.
• Malleable: easily shaped or influenced.
• Flexible: capable of bending easily without breaking.

Related Idioms