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From Old French substantiel.


  • IPA(key): /səbˈstænʃəl/


substantial (comparative more substantial, superlative most substantial)

  1. Having a substance; actually existing
    substantial life
  2. Not seeming or imaginary; not illusive; real; solid; true; veritable.
    • "to do some substantial good, is the compensation for much incidental imperfection" - Cardinal Newman, The Rise and Progress of Universities
  3. Corporeal; material; firm.
  4. Having good substance; strong; stout; solid; firm
    substantial cloth
    a substantial fence or wall
  5. possessed of goods or an estate; moderately wealthy; responsible
    a substantial freeholder
  6. Large in size, quantity, or value; vastas
    He inherited a substantial amount of money from his uncle.
  7. Most important; essential.
  8. Ample or full.
    A substantial amount of people in this buliding
  9. Significantly great.

Derived terms[edit]


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substantial (plural substantials)

  1. Anything having substance; an essential part.