substanceless

/ˈsʌbstənsˌlɛs/
adjective
  1. Lacking physical matter or material form; not made of any real substance.
    • In the dream, everything felt substanceless, like I was floating in a void.
    • The ghost in the story was described as a substanceless figure that could pass through walls.
    • The artist created a sculpture that appeared substanceless, made entirely of light and shadow.
  2. Lacking real importance, value, or meaning; insubstantial or trivial.
    • The politician's speech was full of substanceless promises that no one believed.
    • She dismissed the gossip as substanceless chatter that wasn't worth her time.
    • Many online arguments are substanceless, based on rumors rather than facts.
Antonyms
What does "substanceless" mean? | whatsthatwordmean | whatsthatwordmean