Insubstantial

Lacking substance, not real or tangible; lacking strength, solidity, or firmness; not important or meaningful.

This word often describes things that are vague, ephemeral, or lacking in weight or influence. It can apply to physical objects, ideas, feelings, or even promises, implying they are flimsy, transient, or of little consequence.

It suggests an absence of the core elements needed for permanence, impact, or real-world effect. The term highlights a lack of solid foundation or enduring nature, conveying a sense of fragility or insignificance.

Insubstantial meaning with examples

• The promises of the politician seemed Insubstantial, failing to address the core issues and leaving voters feeling skeptical about their sincerity.
• He felt the joy of the moment was Insubstantial, a fleeting emotion that disappeared as quickly as it had arrived, leaving him wanting more.
• Her dreams of wealth and fame proved insubstantial; they offered little beyond fleeting moments of fantasy, never manifesting into reality.
• The evidence presented in court was Insubstantial, a collection of rumors and vague claims insufficient to support a guilty verdict for the defendant.
• The after-dinner conversation about future plans felt insubstantial; it was all just vague concepts with little thought to real-world logistics.