insubstantial

UK: ˌɪnsəbˈstænʃ(ə)l | US: ˌɪnsəbˈstænʃ(ə)l

Definition

  1. adj. lacking strength, solidity, or reality; weak or imaginary

  2. adj. not physically substantial; flimsy or intangible

Structure
in <not>substantial <solid, real>sub <under>stare <to stand>
Etymology

The word "insubstantial" emerged in the late 16th century, blending the negative prefix in- with substantial, which originally referred to something having physical substance or importance. The Latin root substantia ("standing under") metaphorically evolved to mean "essential nature." Thus, "insubstantial" logically conveys the absence of physical or conceptual solidity.

Examples

  1. The ghostly figure appeared insubstantial, as if made of mist.

  2. Her argument was insubstantial, lacking any factual evidence.

  3. The old bridge felt insubstantial underfoot, creaking with every step.

  4. His promises proved insubstantial when no actions followed.

  5. The artist captured the insubstantial beauty of light reflecting on water.