Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of, relating to, or having substance; material.
  • adj. True or real; not imaginary.
  • adj. Solidly built; strong.
  • adj. Ample; sustaining: a substantial breakfast.
  • adj. Considerable in importance, value, degree, amount, or extent: won by a substantial margin.
  • adj. Possessing wealth or property; well-to-do.
  • n. An essential. Often used in the plural.
  • n. A solid thing. Often used in the plural.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Belonging to substance; actually existing; real; as, substantial life.
  • adj. Not seeming or imaginary; not illusive; real; solid; true; veritable.
  • adj. Corporeal; material; firm.
  • adj. Having good substance; strong; stout; solid; firm; as, substantial cloth; a substantial fence or wall.
  • adj. possessed of goods or an estate; moderately wealthy; responsible; as, a substantial freeholder.
  • adj. Large in size, quantity, or value; as, a substantial amount of money; vast
  • adj. Most important; essential.
  • adj. Ample or full.
  • adj. Significantly great.
  • n. Anything having substance; an essential part.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Belonging to substance; actually existing; real.
  • adj. Not seeming or imaginary; not illusive; real; solid; true; veritable.
  • adj. Corporeal; material; firm.
  • adj. Having good substance; strong; stout; solid; firm.
  • adj. Possessed of goods or an estate; moderately wealthy; responsible.

from The Century Dictionary and Cyclopedia

  • Pertaining to or of the nature of substance; being a substance; real; actually existing; true; actual; not seeming or imaginary; not illusive.
  • Having essential value; genuine; sound; sterling.
  • Having firm or good material; strong; stout; solid: as, substantial cloth.
  • Possessed of considerable substance, goods, or estate; moderately wealthy; well-to-do.
  • Real or true in the main or for the most part: as, substantial success.
  • Of considerable amount: as, a substantial gift; substantial profit.
  • Capable of being substantiated or proved.
  • Vital; important.
  • In law, pertaining to or involving the merits or essential right, in contradistinction to questions of form or manner.
  • Pertaining to the substance or tissue of any part or organ.
  • n. That which has a real existence; that which has substance.
  • n. That which has real practical value.
  • n. An essential part.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. having substance or capable of being treated as fact; not imaginary
  • adj. fairly large
  • adj. of good quality and condition; solidly built
  • adj. having a firm basis in reality and being therefore important, meaningful, or considerable
  • adj. providing abundant nourishment

Etymologies

Middle English substancial, from Old French substantiel, from Latin substanti─ülis, from substantia, substance; see substance.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Old French substantiel. (Wiktionary)

Examples

  • Both the north and south are hoping for what they term substantial progress at that meeting which starts on Tuesday.

    CNN Transcript Jul 24, 2005

  • As a practical matter, the term substantial compliance means just that; complying with the minimum standards as required by SORNA.

    Sex Offender Issues

  • The men tell Mr. Schiller that they are considering donating as much as $5 million to NPR because of what they describe as the substantial "Zionist coverage" by other news organizations.

    NPR Executive Quits After Video Comments

  • China's President welcomes his Sudan counterpartHu said he believes the trip will consolidate Chinese-Sudanese friendship and promote what he called "substantial" cooperation in various fields.

    China Pledges Lasting Friendship with Sudan

  • Economic risks remain, Mr. Draghi said, but he dropped the word "substantial," which he had previously used in describing those risks.

    Draghi Urges Banks to Take ECB's Cheap Loans

  • That's hardly what I call a substantial lead worth gloating over.

    Poll: Hillary Beating The Republicans In Florida

  • You know, Director Mueller says that he has what he calls substantial concerns about a possible terror attack, even though he says there's no specific intelligence suggesting that any attack on the U.S. is imminent.

    CNN Transcript Sep 11, 2007

  • ARENA: Now as for the overall threat environment, Mueller says there isn't any intelligence suggesting that any attack against the United States is imminent but he says he does have what he called substantial concerns.

    CNN Transcript Sep 10, 2007

  • But the report says Tehran is making what it terms substantial progress in revealing the nature and extent of its nuclear program.

    CNN Transcript Nov 15, 2007

  • So, presumably, they did have the capability, because they have been -- been looking, I guess, what they called a substantial amount of time.

    CNN Transcript Sep 13, 2006

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Comments

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  • From the book The Hunger Games by Suzanne Collins. pg. 55
    "Then I stuff down every mouthful I can hold, which is a substantial amount, being careful to not overdo it on the richest stuff."

    November 29, 2010