OA

O1A1

A form of on or about — approximately.

Similar
over
Less commonScrabble 2
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Meanings

preposition
  1. abbreviationinitialismInitialism of on or about.
noun
  1. abbreviationinitialismInitialism of open access.
  2. abbreviationinitialismInitialism of organizing authority.
  3. abbreviationinitialismInitialism of office assistant.
  4. UKabbreviationinitialismcensusInitialism of output area.
  5. abbreviationinitialismInitialism of online assessment.
  6. abbreviationinitialismmedicineInitialism of osteoarthritis.
adjectiveOA (comparative more OA, superlative most OA)

comparative more OA · superlative most OA

  1. PhilippinesabbreviationinitialismInitialism of overacting.

    He's even more OA than you.

    He's even more overactive than you.

    Synonyms: over

proper noun
  1. abbreviationinitialismscoutingInitialism of Order of the Arrow.

Synonyms & antonyms

Also see
open accessoutput area
Cite this entry
APA

OA. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/OA

MLA

“OA.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/OA. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “OA,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/OA.

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