insubstantial
/,insəb'stænʃəl/
Học thuậtThân thiện
Definition
- Adjective:
- Lacking material form, substance, or reality; not solid or real: Something that is "insubstantial" appears weak, flimsy, or not physically substantial. It can describe objects, ideas, or feelings that seem to have little weight, importance, or concrete existence.
- Lacking nutritive value or essential qualities; meager or inadequate: This meaning describes something, often food or an argument, that is insufficient, weak, or of poor quality.
Usage and Examples
- Describing something physically flimsy or unreal:
- The spider's web was beautiful but insubstantial, breaking at the slightest touch.
- His hopes of winning were based on insubstantial evidence.
- Describing something inadequate or of poor quality:
- After the long hike, a salad felt like an insubstantial meal.
- The report was criticized for its insubstantial analysis of the core problem.
Advanced Usage and Nuances
- "insubstantial" vs. "unsubstantial": While often used interchangeably, "insubstantial" is more common. Both mean lacking substance, but "unsubstantial" can sometimes emphasize not being based on facts or evidence.
- The witness's testimony was dismissed as unsubstantial gossip.
- Used in formal or literary contexts to evoke a sense of fragility or illusion.
- The memories of that summer had become vague and insubstantial over the years.
Variants and Related Words
- Insubstantiality (noun): The quality of being insubstantial.
- The insubstantiality of the evidence made the case hard to prove.
- Substantial (adjective): The direct antonym, meaning of considerable importance, size, or worth; solid and real.
Synonyms
- Flimsy: Light and insubstantial; easily damaged.
- Unreal: Not related to reality; imaginary or illusory.
- Meager: Lacking in quantity or quality; inadequate.
- Immaterial: Unimportant under the circumstances; irrelevant, or spiritual rather than physical.
Antonyms
- Substantial
- Solid
- Concrete
- Robust
Idioms and Phrases
- Built on insubstantial ground: Used to describe a plan, theory, or argument that has a weak or shaky foundation.
- Their entire business plan was built on insubstantial ground and was doomed to fail.
- As insubstantial as a dream: A simile emphasizing the unreal, fleeting, or intangible quality of something.
- The promise of quick wealth proved to be as insubstantial as a dream.
Adjective
- lacking in nutritive value
- the jejune diets of the very poor
- lacking material form or substance; unreal
- as insubstantial as a dream
- an insubstantial mirage on the horizon