plasticky

/ˈplæstɪki/
adjective
  1. Having the appearance, texture, or smell of plastic; often used to describe something that looks cheap or artificial.
    • The cake had a plasticky aftertaste from the packaging.
    • The tablecloth had a plasticky feel and didn't absorb spills at all.
    • She didn't like the plasticky shine of the new furniture.
  2. Describing a person's appearance or behavior that seems fake, unnatural, or overly smooth.
    • She had a plasticky look from too many cosmetic procedures.
    • His smile looked plasticky, like he was hiding his real feelings.
    • The actor's performance felt plasticky and lacked genuine emotion.