ARPA

A1R1P3A1
/ˈɑɹ.pə/

Acronym of Advanced Research Projects Agency, renamed to DARPA in 1972.

Less commonScrabble 6

Meanings

proper noun
  1. USabbreviationacronymhistoricalgovernmentAcronym of Advanced Research Projects Agency, renamed to DARPA in 1972.
  2. abbreviationinitialismnavigationInitialism of Automatic Radar Plotting Aid.
  3. USabbreviationacronymgovernmentAcronym of American Rescue Plan Act.

    This reverses the ARPA provision that lowered the reporting threshold to $600 with no minimum on the number of transactions.

    2025 May 28, “The One, Big, Beautiful Bill”, in United States House Committee on Ways & Means, page 26
  4. abbreviationinitialismgovernmentInitialism of Association for Reformed Political Action.

Rhymes & wordplay

Anagrams

Cite this entry
APA

ARPA. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ARPA

MLA

“ARPA.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ARPA. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “ARPA,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ARPA.

Source: ARPA on Wiktionary, CC BY-SA 4.0.