Optional addendum Synonyms

Optional replaced

Definitions for Optional


  • (adjective) subject to one's freedom of choice
  • (adjective) possible but not necessary; left to personal choice

Synonyms for phrase

OA abbreviation

OA is an abbreviation for Optional Addendum
What does OA stand for?
OA stands for "Optional Addendum"

Addendum replaced

Definitions for Addendum


  • (noun) a part added at the end of a book or periodical
  • (noun) something added (as by growth )
  • (noun) textual matter that is added onto a publication ; usually at the end