Oa
adj, name, noun, prep
adj, name, noun, prep ·Rare ·Advanced level
Definitions
Noun
- 1 Initialism of open access. abbreviation, alt-of, initialism
- 2 Initialism of organizing authority. abbreviation, alt-of, initialism
- 3 Initialism of office assistant. abbreviation, alt-of, initialism
- 4 Initialism of output area. UK, abbreviation, alt-of, initialism
- 5 Initialism of online assessment. abbreviation, alt-of, initialism
Adjective
- 1 Initialism of overacting. Philippines, abbreviation, alt-of, initialism
"He's even more OA than you."
Preposition
- 1 Initialism of on or about. abbreviation, alt-of, initialism
Proper Noun
- 1 Order of the Arrow
Synonyms
All synonymsMore for "oa"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.