Oa

adj, name, noun, prep

adj, name, noun, prep ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Initialism of open access. abbreviation, alt-of, initialism
  2. 2
    Initialism of organizing authority. abbreviation, alt-of, initialism
  3. 3
    Initialism of office assistant. abbreviation, alt-of, initialism
  4. 4
    Initialism of output area. UK, abbreviation, alt-of, initialism
  5. 5
    Initialism of online assessment. abbreviation, alt-of, initialism
Adjective
  1. 1
    Initialism of overacting. Philippines, abbreviation, alt-of, initialism

    "He's even more OA than you."

Preposition
  1. 1
    Initialism of on or about. abbreviation, alt-of, initialism
Proper Noun
  1. 1
    Order of the Arrow

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.