Obligatory trio Synonyms

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

Definitions for Trio


  • (noun) a group of three
  • (noun) a set of three similar things considered as a unit
  • (noun) three people considered as a unit