unsubstantial


Also found in: Thesaurus.

un·sub·stan·tial

 (ŭn′səb-stăn′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-ăl′ĭ-tē) n.
un′sub·stan′tial·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

unsubstantial

(ˌʌnsəbˈstænʃəl)
adj
1. lacking weight, strength, or firmness
2. (esp of an argument) of doubtful validity
3. of no material existence or substance; unreal
ˌunsubˌstantiˈality n
ˌunsubˈstantially adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

un•sub•stan•tial

(ˌʌn səbˈstæn ʃəl)

adj.
1. having no foundation in fact.
2. without material substance.
3. materially paltry.
4. lacking strength or solidity; flimsy.
[1425–75]
un`sub•stan`ti•al′i•ty, n.
un`sub•stan′tial•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.unsubstantial - lacking material form or substanceunsubstantial - lacking material form or substance; unreal; "as insubstantial as a dream"; "an insubstantial mirage on the horizon"
nonmaterial, immaterial - not consisting of matter; "immaterial apparitions"; "ghosts and other immaterial entities"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

unsubstantial

adjective
3. Having little substance or significance; not solidly based:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations

unsubstantial

[ˈʌnsəbˈstænʃəl] ADJinsustancial
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

unsubstantial

adj (= flimsy) structureleicht, dürftig; mealleicht; evidence, proofnicht überzeugend, nicht schlagkräftig; claimungerechtfertigt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in classic literature ?
The flakes came down so thickly that from the sitting-room windows I could not see beyond the windmill-- its frame looked dim and grey, unsubstantial like a shadow.
Murea, the sister isle, comes into view in rocky splendour, rising from the desert sea mysteriously, like the unsubstantial fabric of a magic wand.
Within a minute afterwards, he was, to all outward appearance, as unsubstantial as ever.
This neglect of duty may be disguised under affected but unsubstantial provisions, so as not to appear, and of course not to excite any alarm in the people for the safety of the Constitution.
My imagination was running away with me into a morass of unsubstantial fears.
Indeed, the crown alone betokened majesty; in all else the, Scarecrow King was but a simple scarecrow -- flimsy, awkward, and unsubstantial.
When I got into the streets upon this Sunday morning, the air was so clear, the houses were so bright and gay: the signboards were painted in such gaudy colours; the gilded letters were so very golden; the bricks were so very red, the stone was so very white, the blinds and area railings were so very green, the knobs and plates upon the street doors so marvellously bright and twinkling; and all so slight and unsubstantial in appearance - that every thoroughfare in the city looked exactly like a scene in a pantomime.
Neptune was already unsubstantial in the twilight, half god, half ghost, and his fountain plashed dreamily to the men and satyrs who idled together on its marge.
The age had not so much refinement, that any sense of impropriety restrained the wearers of petticoat and farthingale from stepping forth into the public ways, and wedging their not unsubstantial persons, if occasion were, into the throng nearest to the scaffold at an execution.
Or, to choose a wholly unsubstantial instance, purely addressed to the fancy, why, in reading the old fairy tales of Central Europe, does the tall pale man of the Hartz forests, whose changeless pallor unrestingly glides through the green of the groves --why is this phantom more terrible than all the whooping imps of the Blocksburg?
Gimmerton was an unsubstantial name in her ears; the chapel, the only building she had approached or entered, except her own home.
And should any one in any case be content that his oath shall go unkept on a merely unsubstantial controversy as to HOW it shall be kept?