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

  • transitive v. To build up; increase or enlarge: sand dunes that were upbuilt by the wind.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To build up (literally).
  • v. To build up; to develop (figuratively).

from The Century Dictionary and Cyclopedia

  • To build up; edify; establish.


up- +‎ build (Wiktionary)


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