i Register
In some senses, oa is marked as UK. Watch for register when choosing this word.
oa
noun 5prep 1adj 1name 1
Definitions
prep
1
Initialism of on or about.
noun
1
Initialism of open access.
2
Initialism of organizing authority.
3
Initialism of office assistant.
4
Initialism of output area.
5
Initialism of online assessment.
adj
1
Initialism of overacting.
He's even more OA than you.
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