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Definition of unsubstantial - 2 dictionary results

un⋅sub⋅stan⋅tial

  [uhn-suhb-stan-shuhl]
Use unsubstantial in a Sentence
–adjective
1. not substantial; having no foundation in fact; fanciful; insubstantial: an unsubstantial argument; unsubstantial hopes.
2. without material substance: an unsubstantial ghost.
3. lacking material substance; materially paltry: an unsubstantial dinner of bread and cheese.
4. lacking strength or solidity; flimsy: an unsubstantial wall of cardboard.
Origin:
1425–75; late ME; see un- 1 , substantial

Related forms:
un⋅sub⋅stan⋅ti⋅al⋅i⋅ty, noun
un⋅sub⋅stan⋅tial⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To unsubstantial
un·sub·stan·tial   (ŭn'səb-stān'shəl)   
adj.  

  1. Lacking material substance; insubstantial.

  2. Lacking firmness or strength; flimsy.

  3. Lacking basis in fact.

un'sub·stan'ti·al'i·ty (-shē-āl'ĭ-tē) n., un'sub·stan'tial·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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