1. lacking substance, meaning, or importance; insubstantial

Examples

• The politician’s substanceless speech failed to address any real issues.
• Critics dismissed the film as substanceless entertainment.
• Her substanceless arguments couldn’t convince anyone.
• The report was criticized for being substanceless and poorly researched.
• The debate devolved into substanceless personal attacks.
• Many found the novel’s characters substanceless and unrealistic.