Obligatory book Synonyms

Obligatory replaced

Definitions for Obligatory


  • (adjective) forcing one's compliance or participation by or as if by law
  • (adjective) used or heard so often as to be dull
  • (adjective) required by obligation or compulsion or convention

Synonyms for phrase

OB abbreviation

OB is an abbreviation for Obligatory Book
What does OB stand for?
OB stands for "Obligatory Book"

Book replaced

Definitions for Book


  • (noun) a set of printed sheets of paper bound together between covers and forming a work of fiction or nonfiction
  • (noun) a publication that appears at regular intervals
  • (noun) information not generally available to the public