Operative bookman Synonyms

Definitions for Operative


  • (adjective) being in effective operation
  • (adjective) producing or capable of producing a desired result
  • (noun) a person who tries secretly to obtain information for one country in the territory of another usually unfriendly country

OB abbreviation

OB is an abbreviation for Operative Bookman
What does OB stand for?
OB stands for "Operative Bookman"

Definitions for Bookman


  • (noun) one who is keenly devoted to books
  • (noun) a learned person (especially in the humanities ); someone who by long study has gained mastery in one or more disciplines