foundation vs understructure what difference

what is difference between foundation and understructure



From Latin fundātiō.


  • (Received Pronunciation) IPA(key): /faʊnˈdeɪʃən/, [faʊ̯nˈdeɪ̯ʃn̩]
  • Rhymes: -eɪʃən


foundation (countable and uncountable, plural foundations)

  1. The act of founding, fixing, establishing, or beginning to erect.
    Synonym: establishment
    Antonyms: abolition, dissolution, ruination
  2. That upon which anything is founded; that on which anything stands, and by which it is supported; the lowest and supporting layer of a superstructure; underbuilding.
    Synonyms: groundwork, basis
  3. (figuratively) The result of the work to begin something; that which stabilizes and allows an enterprise or system to develop.
    Synonyms: groundwork, platform, stage
    • 2006, K P Yadav, Economic Planning And Restructuring, Sarup & Sons →ISBN, page 44
      The implication is that the Gandhian model of growth is possible, now that Nehru’s investment strategy had already laid a strong foundation for economic growth.
  4. (card games) In solitaire or patience games, one of the piles of cards that the player attempts to build, usually holding all cards of a suit in ascending order.
  5. (architecture) The lowest and supporting part or member of a wall, including the base course and footing courses; in a frame house, the whole substructure of masonry.
    Synonyms: base, groundwall
  6. A donation or legacy appropriated to support a charitable institution, and constituting a permanent fund; endowment.
  7. That which is founded, or established by endowment; an endowed institution or charity.
  8. (cosmetics) Cosmetic cream roughly skin-colored, designed to make the face appear uniform in color and texture.
  9. A basis for social bodies or intellectual disciplines.

Derived terms


Further reading

  • foundation on Wikipedia.Wikipedia



under- +‎ structure


understructure (plural understructures)

  1. The supporting structure underneath something, such as a vehicle or bridge.


  • unrestructured

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