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Adjective: substantial  sub'stan-shul
  1. Fairly large
    "won by a substantial margin";
    - significant
     
  2. Having a firm basis in reality and being therefore important, meaningful, or considerable
    "substantial equivalents";
    - substantive
     
  3. Having substance or capable of being treated as fact; not imaginary
    "a mere dream, neither substantial nor practical"; "most ponderous and substantial things"; "the substantial world";
    - real, material
     
  4. Providing abundant nourishment
    "ate a substantial breakfast";
    - hearty, satisfying, solid, square
     
  5. Of good quality and condition; solidly built
    "several substantial timber buildings";
    - solid, strong

See also: considerable, essential, material, solidness, sound, substantiality, substantialness, wholesome

Antonym: insubstantial

Encyclopedia: Substantial