unsubstantialise

/ˌʌnsəbˈstænʃəlaɪz/
verb
  1. To make something seem less real, solid, or important; to reduce the substance or significance of something.
    • Critics argued that the new policy would unsubstantialise the core values of the institution.
    • The artist's abstract style tends to unsubstantialise the human form, turning it into a play of light and shadow.
    • His constant joking served to unsubstantialise the seriousness of the discussion.
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