# insubstantial

**Pronunciation:** /ˌɪnsəbˈstænʃəl/ · in-sub-STAN-shul

**Part of speech:** adjective

## Meaning

Lacking physical strength, solid form, or sufficient importance.

## Examples

- The bridge was built from such insubstantial materials that it collapsed during the first storm.
- His argument was entirely insubstantial and failed to convince the jury of his innocence.
- The insubstantial mist began to fade as soon as the sun rose above the horizon.

## Synonyms

- weak — General term for lacking power or force.
- thin — Describes physical lack of density or substance.
- flimsy — Often used for objects that are poorly made or easily broken.
- tenuous — Used for abstract things like connections or arguments that are barely held together.
- ethereal — Suggests a delicate, almost supernatural lack of substance.

## Antonyms

- solid — Having a firm, stable shape or structure.
- substantial — Having significant size, importance, or physical reality.

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